Search Results

Search found 32581 results on 1304 pages for 'javascript common difficulties and misconceptions'.

Page 26/1304 | < Previous Page | 22 23 24 25 26 27 28 29 30 31 32 33  | Next Page >

  • Javascript place in header

    - by JibW
    I am not clear why its not working the javascript code when I add it to the header section as follows. We can place a javascript code within the body as follows <html> <head> <title> Simple Test </title> </head> <body> <div id="mydiv"> This is the div content </div> <script type="text/javascript" > document.getElementById("mydiv").innerHTML=Date(); </script> </body> </html> But when I place the same JavaScript code in the header section it doesn't work. <html> <head> <title> Simple Test </title> <script type="text/javascript" > document.getElementById("mydiv").innerHTML=Date(); </script> </head> Can Someone please explain the issue. I know I can Write a JavaScript function in header and call it in an event. But can't we Use in this way. If Can't why.

    Read the article

  • HTML form never calls Javascript

    - by user1205577
    I have a set of radio buttons defined in HTML like so: <input type="radio" name="group" id="rad1" value="rad1" onClick="doStuff(this.id)">Option 1<br> <input type="radio" name="group" id="rad2" value="rad2" onClick="doStuff(this.id)">Option 2<br> Just before the </body> tag, I have the following JavaScript behavior defined: <script type="text/javascript"> /*<![CDATA[*/ function doStuff(var id){ alert("Doing stuff!"); } /*]]>*/ </script> When I run the program, the page loads as expected in my browser window and the radio buttons allow me to click them. The doStuff() function, however, is never called (I validated this using breakpoints as well). I also tried the following just to see if inline made the difference, but it seems the JavaScript is never called at all: <script type="text/javascript"> /*<![CDATA[*/ alert("JavaScript called!"); main(); function main(){ var group = document.getElementsByName('group'); for(var i=0; i<group.length; i++){ group[i].onclick = function(){ doStuff(this.id); }; } } /*]]>*/ </script> My question is, is there something special I need to do using HTML and JavaScript in this context? My question is not whether I should be using inline function calls or whether this is your favorite way to write code.

    Read the article

  • Another way to handle a common JQuery event handling pattern

    - by bradgonesurfing
    I have the following code for example $("a.foo").bind(function (e){ var t; if ( $(e.target).is("a") ){ t = $(e.target); }else{ t = $(e.target).parent("a"); } var data = t.attr("data-info"); }); In english. I might have a list of anchors within which there may be a number of spans. Each anchor is declared as <a class="foo" href="#" data-info="1"> <span> ... </span> <span> ... </span> </a> <a class="foo" href="#" data-info="2"> <span> ... </span> <span> ... </span> </a> ... ... I bind a handler to the click event of the anchor but the event object comes back with the anchor OR one of the spans depending on where I click. So to get my html5 "data-info" value into the callback I have to insert a bit of messy code. This is now appearing throughout my code to the point where I am guessing there might be an idiomatic JQuery way of handling this.

    Read the article

  • How can we protect the namespace of an object in Javascript?

    - by Eduard Florinescu
    Continuing from my previous question: Javascript simple code to understand prototype-based OOP basics Let's say we run into console this two separate objects(even if they are called child and parent there is no inheritance between them): var parent = { name: "parent", print: function(){ console.log("Hello, "+this.name); } }; var child = { name: "child", print: function(){ console.log("Hi, "+this.name); } }; parent.print() // This will print: Hello, parent child.print() // This will print: Hi, child temp =parent; parent = child; child = temp; parent.print() // This will now print: Hi, child child.print() // This will now print: Hello, parent Now suppose that parent is a library, as a HTML5 application in a browser this cannot do much harm because is practically running sandboxed, but now with the advent of the ChromeOS, FirefoxOS and other [Browser] OS they will also be linked to a native API, that would be a head out of the „sandbox”. Now if someone changes the namespace it would be harder for a code reviewer (either automated or not ) to spot an incorrect use if the namespaces changes. My question would be: Are there many ways in which the above situation can be done and what can be done to protect this namespaces? (Either in the javascript itself or by some static code analysis tool)

    Read the article

  • What is a currently a good game stack for simple Javascript 2D multiplatform game?

    - by JacobusR
    I'm looking for advice from someone can help me avoid common pitfalls in developing light weight, quick-to-market games. Yeah, I've heard of Google ;-), but a trip down Google lane does not beat solid experience from someone who has been down this path. I'm looking for advice from someone who works alone, or in a small team, and has developed some 2D games for mobile. My game ideas don't require intensive graphics, just simple arcade style glyphs and collision detection. My experience is mostly with Scala, Java and web technologies (Javascript, CSS, SVG, HTML, etc). My question is: Is there a nice stack that someone can suggest that will be a good fit for my skillset? I'm considering Javascript for simple 2D shooter games with simple multiplayer games being supported with a Scala server-side written on Spray. Is this silly? Should I rather look into things such as Unity 3D, and use it in 2D mode? For the actual game engine, something like the Sparrow Framework would be great, but it needs to be multiplatform.

    Read the article

  • Would it be a good idea to work on letting people add arrays of numbers in javascript?

    - by OneThreeSeven
    I am a very mathematically oriented programmer, and I happen to be doing a lot of java script these days. I am really disappointed in the math aspects of javascript: the Math object is almost a joke because it has so few methods you can't use ^ for exponentiation the + operator is very limited, you cant add array's of numbers or do scalar multiplication on arrays Now I have written some pretty basic extensions to the Math object and have considered writing a library of advanced Math features, amazingly there doesn't seem to be any sort of standard library already out even for calculus, although there is one for vectors and matricies I was able find. The notation for working with vectors and matricies is really bad when you can't use the + operator on arrays, and you cant do scalar multiplication. For example, here is a hideous expression for subtracting two vectors, A - B: Math.vectorAddition(A,Math.scalarMultiplication(-1,B)); I have been looking for some kind of open-source project to contribute to for awhile, and even though my C++ is a bit rusty I would very much like to get into the code for V8 engine and extend the + operator to work on arrays, to get scalar multiplication to work, and possibly to get the ^ operator to work for exponentiation. These things would greatly enhance the utility of any mathematical javascript framework. I really don't know how to get involved in something like the V8 engine other than download the code and start working on it. Of course I'm afraid that since V8 is chrome specific, that without browser cross-compatibility a fundamental change of this type is likely to be rejected for V8. I was hoping someone could either tell me why this is a bad idea, or else give me some pointers about how to proceed at this point to get some kind of approval to add these features. Thanks!

    Read the article

  • how to choose a web framework and javascript library?

    - by Trylks
    I've been procrastinating learning some framework for web apps w/ some library for AJAX, something like django with prototype, or turbogears with mootools, or zeta components with dojo, grok, jquery, symfony... The point is to spend some of my spare time, have "fun" and create cool stuff that hopefully is some useful. I think maybe I wouldn't like something like GWT or pyjamas because I wouldn't like to "get married" with some technology, I want to keep my freedom to add another javascript library, and so on. I didn't decide even the language yet, but I think I'd prefer python. PHP could be fine if there is some framework that is nice enough. Besides that, I don't even know where to start. I don't feel like learning a framework to then realize there is something that I cannot comfortably do, switch to another framework then find that a third framework has something really cool, etc. And the same goes for javascript libraries. So, some guidance would be really appreciated. I don't really know why are so many options available and what do they aim for, I guess some of them focus on some aspects and some on others, but I just want to make cool and nice apps that I can easily maintain, without spending too much time on coding or learning and avoiding the "trapped in the framework" feeling, when doing something is awfully complicated (or even impossible) with compared with the rest of things or doing that same thing on a different framework. I guess in the end I'll go for django and jquery since they are the most widely used options, afaik, but if I was going for the most widely used options I guess I should choose Java or PHP (I don't really like Java for my spare time, but php is not so bad), so I preferred to ask first. I think the question has to consider both, framework and library, since sometimes they are coupled. I think this is the place to ask this kind of things, sorry if not, and thank you.

    Read the article

  • Synchronous vs. asynchronous for publish subscribe communication between JavaScript objects

    - by natlee75
    I implemented the publish subscribe pattern in a JavaScript module to be used by entirely client-side oriented JavaScript objects. This module has nothing to do with client-server communications in any way, shape or form. My question is whether it's better for the publish method in such a module to be synchronous or asynchronous, and why. As a very simplified example let's say I'm building a custom UI for an HTML5 video player widget: One of my modules is the "video" module that contains the VIDEO element and handles the various features and events associated with that element. This would probably have a namespace something like "widgets.player.video." Another is the "controls" module that has the various buttons - play, pause, volume, scrub, fullscreen, etc. This might have a namespace along the lines of "widgets.player.controls." These two modules are children of a parent "player" module ("widgets.player" ??), and as such would have no inherent knowledge of each other when instantiated as children of the "player" object. The "controls" elements would obviously need to be able to effect some changes on the video (click "Play" and the video should play), and vice versa (video's "timeUpdate" event fires and the visual display of the current time in the controls should update). I could tightly couple these modules and pass references to each other, but I'd rather take a more loosely coupled approach by setting up a pubsub type module that both can subscribe to and publish from. SO (thanks for bearing with me) in this kind of a scenario is there an advantage one way or another for synchronous publication versus asynchronous publication? I've seen some solutions posted online that allow for either/or with a boolean flag whereas others automatically do it asynchronously. I haven't personally seen an implementation that just automatically goes with synchronous publication... is this because there's no advantage to it? I know that I can accomplish this with features provided by jQuery, but it seems that there may be too much overhead involved here. The publish subscribe pattern can be implemented with relatively lightweight code designed specifically for this particular purpose so I'd rather go with that then a more general purpose eventing system like jQuery's (which I'll use for more general eventing needs :-).

    Read the article

  • Loading main javascript on every page? Or breaking it up to relevant pages?

    - by Kyle
    I have a 700kb decompressed JS file which is loaded on every page. Before I had 12 javascript files on each page but to reduce http requests I compressed them all into 1 file. This file is ~130kb gzipped and is served over gzip. However on the local computer it is still unpacked and loaded on every page. Is this a performance issue? I've profiled the javascript with firebug profiler but did not see any issues. The problem/illusion I am facing is there are jquery libraries compressed in that file that are sometimes not used on the current page. For example jquery datatables is 200kb compressed and that is only loaded on 2 of my website pages. Another is jqplot and that is another 200kb. I now have 400kb of excess code that isn't executed on 80% of the pages. Should I leave everything in 1 file? Should I take out the jquery libraries and load only relevant JS on the current page?

    Read the article

  • what is standard approach to create a responsive website using javascript,php ajax and perhaps zend framework [closed]

    - by shawndreck
    I am working on a web system currently and plans to heavily use javascript with ajax to make the user interface more friendlier, not fancy as such. The javascript will be used for client side form validation, data loading from server and creating proper content with the result, also to for floating windows during add/edit or external references. Here is a scenerio that could clearify my question. A user wants to update card but instead of jumping to another page to verify the available colors,size and prizes of product, those information are shown in a floating window and changes in the floating window can affect the underlying one. My question is : 1. What are some of the approaches to encounter this situation? 2. Are there any helpful tips, tricks and links on this subject? I am comfortable with js,php and zend. I would appreciate any advice,tip and tricks, problem solving approach to handle a situation like this! Thanks in advance. Hope this make sense.

    Read the article

  • jquery live problem

    - by Kay
    Hi, I have a website which uses jquery and lots of mouseover/mouseout effect. So far I used the .bind() method of jquery but if you have 1000 event handlers, this is slowing down your browser a lot. So, I want to move to use .live or .delegate. One part of my portal site is a chat area. User can set chat messages which will then be displayed in a simple table. There is a feature that if you move the mouse over a chat message a trash can will appear allowing you to delete the message (if it is by you or you are a moderator). The trash bin is in the same table cell as the chat message. The problem: Using .bind() it worked like a charm. This is the old code: function CreateChatMessageContextMenu(ctrl, messageID, message, sender) { var a = document.createElement("a"); a.href = "javascript:RemoveChatMessage(" + messageID + ");" a.id = 'aDeleteChatMessage' + messageID; a.style.display = 'none'; var img = document.createElement("span"); img.className = "sprite-common messages-image sprite-common-btnDelete"; a.appendChild(img); ctrl.appendChild(a); $(ctrl) .bind('mouseover', function(event) { $('#aDeleteChatMessage' + messageID).show() }) .bind('mouseout', function(event) { $('#aDeleteChatMessage' + messageID).hide() }); return; } 'ctrl' is the reference to a table cell. Now, using .live() the trashbin also appears but it is flickering a lot and when I move the mouse over the trashbin, it is disappearing or inactive. I have the feeling that more events are thrown or something. It seems like the 'mouseout' is thrown when moving over the trashbin, but the thrashbin is inside the tablecell so mouseout should not be triggered. The new code is as follows. $(document).ready { $('.jDeleteableChatMessage').live('mouseover mouseout', function(event) { var linkID = '#aDelete' + event.target.id; if (event.type == 'mouseover') { $(linkID).show(); } else { $(linkID).hide(); } return false; }); } function CreateChatMessageContextMenu(ctrl, messageID, message, sender) { if (!UserIsModerator && (UserLogin != sender)) return; ctrl.id = 'ChatMessage' + messageID; var deleteString = 'Diese Chatnachricht löschen'; if (UserLang == '1') deleteString = 'Delete this chat message'; var a = document.createElement("a"); a.href = "javascript:RemoveChatMessage(" + messageID + ");" a.id = 'aDeleteChatMessage' + messageID; a.style.display = 'none'; var img = document.createElement("span"); img.className = "sprite-common messages-image sprite-common-btnDelete"; img.alt = deleteString; img.title = deleteString; a.appendChild(img); ctrl.appendChild(a); $(ctrl).addClass('jDeleteableChatMessage'); } I add a class to tell jQuery which chat cell have a trash bin and which don't. I also add an ID to the table cell which is later used to determine the associated trash bin. Yes, that's clumsy data passing to an event method. And, naturally, there is the document.ready function which initialises the .live() method. So, where is my mistake?

    Read the article

  • Best tool for DOM manipulation ?

    - by Olivier Lalonde
    I'm working on a web scraper which will aggregate data from various websites. I've started using PHP's built in DOM functions but after running into a couple of issues (especially regarding malformed markup and character encoding), I've chosen to ditch PHP. I was thinking of server side Javascript but am open to other suggestions. If I go with Javascript, which interpreter should I use?

    Read the article

  • Mechanize Javascript ...

    - by Horace Ho
    I try to submit a form by Mechanize, however, I am not sure how to add necessary form valuables which are done by some Javascript. Since Mechanize does not support Javascript yet, and so I try to add the variables manually. The form source: <form name="aspnetForm" method="post" action="list.aspx" language="javascript" onkeypress="javascript:return WebForm_FireDefaultButton(event, '_ctl0_ContentPlaceHolder1_cmdSearch')" id="aspnetForm"> <input type="hidden" name="__EVENTTARGET" id="__EVENTTARGET" value="" /> <input type="hidden" name="__EVENTARGUMENT" id="__EVENTARGUMENT" value="" /> <input type="hidden" name="__LASTFOCUS" id="__LASTFOCUS" value="" /> <input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/..." /> <script type="text/javascript"> <!-- var theForm = document.forms['aspnetForm']; if (!theForm) { theForm = document.aspnetForm; } function __doPostBack(eventTarget, eventArgument) { if (!theForm.onsubmit || (theForm.onsubmit() != false)) { theForm.__EVENTTARGET.value = eventTarget; theForm.__EVENTARGUMENT.value = eventArgument; theForm.submit(); } } // --> </script> <script language="javascript"> <!-- var _linkpostbackhit = 0; function _linkedClicked(id, key, str, a, b) { if (!b || !_linkpostbackhit) { if (!a) { __doPostBack(key, id); _linkpostbackhit = 1; } else { if (window.confirm(str)) { __doPostBack(key, id); _linkpostbackhit = 1; } } } return void(0); } // --> </script> ... <a href="JavaScript:_linkedClicked('123456','_ctl0:ContentPlaceHolder1:Link', '',0,1);">123456</a> ... </form> I tried to add the 2 variables: page.forms.first['__EVENTTARGET'] = '_ctl0:ContentPlaceHolder1:Link' page.forms.first['__EVENTARUGMENT'] = '123456' and submit the form: page.forms.first.click_button(page.forms.first.buttons.first) The result returned only (re)show the current list of links as if I have not clicked on any of the links. Any help will be appreciated. Thanks!

    Read the article

  • Help creating a JavaScript mixin in Tapestry5?

    - by shane87
    I am creating a mixin which renders a javascript file when a textfield gains focus. I am new to the idea of mixins in Tapestry, and I am unsure of where to place my original javascript file which i wish to run when the textfield gains focus. The following is an example of my code: The Java mixin class: package asc.mixins; import org.apache.tapestry5.RenderSupport; import org.apache.tapestry5.annotations.AfterRender; import org.apache.tapestry5.annotations.Environmental; import org.apache.tapestry5.annotations.IncludeJavaScriptLibrary; import org.apache.tapestry5.annotations.InjectContainer; import org.apache.tapestry5.corelib.base.AbstractTextField; @IncludeJavaScriptLibrary("js_dasher_mixin.js") public class DasherMixin { @Environmental private RenderSupport renderSupport; @InjectContainer private AbstractTextField field; @AfterRender void addScript() { this.renderSupport.addScript("new JSDasher('%s');", this.field.getClientId()); } } The Javascript mixin file: JSDasher = Class.create({ initialize: function(textField) { this.textField = $(textField); this.textField.observe('focus', this.onFocus.bindAsEventListener(this)); }, onFocus: function(event) { //call my javascript init() function } } part of my javascript file I wish to run when the textfield gains focus: var posX, posY; // Sets up our global variables and dispatches an init request to the server. function init() { posX=0; posY=0; canvas = document.getElementById("canvas"); canvasWidth = canvas.offsetWidth; canvasHeight = canvas.offsetHeight; if (canvas.getContext) { ctx = canvas.getContext("2d"); } canvas.onclick = canvasClicked; canvas.onmousemove = mouseMoved; canvasOffsetX = findPosX(canvas); canvasOffsetY = findPosY(canvas); sessID = -1; sendInitRQ(canvasWidth, canvasHeight); } My javascript file is much larger than above, my question is where should I put my javascript code above? Should it all be contained in the mixin.js file? if so where exactly should it go? Thanks in advance for any help.

    Read the article

  • Drupal incorrectly escapes tags in javascript

    - by sergdev
    I installed drupal-6.16. I applied the patch from the post http://drupal.org/node/222926#comment-930745. It works correctly in simple cases. But following code of counter is handled incorrectly and counter is now displayed on the page after drupal. Drupal modifies the string "alt='1Gb.ua counter' /><\/a>")</a></script> to "alt='1Gb.ua counter' />&lt;\/a>")</a></script> The full code of counter follows: <br><br> Text <br><br> <!-- counter.1Gb.ua --> <script language="javascript" type="text/javascript"> cgb_js="1.0"; cgb_r=""+Math.random()+"&r="+ escape(document.referrer)+"&pg="+ escape(window.location.href); document.cookie="rqbct=1; path=/"; cgb_r+="&c="+ (document.cookie?"Y":"N"); </script><script language="javascript1.1" type="text/javascript"> cgb_js="1.1";cgb_r+="&j="+ (navigator.javaEnabled()?"Y":"N")</script> <script language="javascript1.2" type="text/javascript"> cgb_js="1.2"; cgb_r+="&wh="+screen.width+ 'x'+screen.height+"&px="+ (((navigator.appName.substring(0,3)=="Mic"))? screen.colorDepth:screen.pixelDepth)</script> <script language="javascript1.3" type="text/javascript"> cgb_js="1.3"</script> <script language="javascript" type="text/javascript">cgb_r+="&js="+cgb_js; document.write("<a href='http://www.1Gb.ua?cnt=1416'>"+ "<img src='http://counter.1Gb.ua/cnt.aspx?"+ "u=1416&"+cgb_r+ "&' border=0 width=88 height=31 "+ "alt='1Gb.ua counter'><\/a>")</script> <noscript><a href='http://www.1Gb.ua?cnt=1416'> <img src="http://counter.1Gb.ua/cnt.aspx?u=1416" border=0 width="88" height="31" alt="1Gb.ua counter"></a> </noscript> <!-- /counter.1Gb.ua --> Does anybody have this code working? How can it be fixed? Thanks a lot in advance!

    Read the article

  • Drupal incorrectly espaces tags in javascript

    - by sergdev
    I installed drupal-6.16. I applied the patch from the post http://drupal.org/node/222926#comment-930745. It works correctly in simple cases. But for following code for counter is handled incorrectly: <br><br> Text <br><br> <!-- counter.1Gb.ua --> <script language="javascript" type="text/javascript"> cgb_js="1.0"; cgb_r=""+Math.random()+"&r="+ escape(document.referrer)+"&pg="+ escape(window.location.href); document.cookie="rqbct=1; path=/"; cgb_r+="&c="+ (document.cookie?"Y":"N"); </script><script language="javascript1.1" type="text/javascript"> cgb_js="1.1";cgb_r+="&j="+ (navigator.javaEnabled()?"Y":"N")</script> <script language="javascript1.2" type="text/javascript"> cgb_js="1.2"; cgb_r+="&wh="+screen.width+ 'x'+screen.height+"&px="+ (((navigator.appName.substring(0,3)=="Mic"))? screen.colorDepth:screen.pixelDepth)</script> <script language="javascript1.3" type="text/javascript"> cgb_js="1.3"</script> <script language="javascript" type="text/javascript">cgb_r+="&js="+cgb_js; document.write("<a href='http://www.1Gb.ua?cnt=1416'>"+ "<img src='http://counter.1Gb.ua/cnt.aspx?"+ "u=1416&"+cgb_r+ "&' border=0 width=88 height=31 "+ "alt='1Gb.ua counter'><\/a>")</script> <noscript><a href='http://www.1Gb.ua?cnt=1416'> <img src="http://counter.1Gb.ua/cnt.aspx?u=1416" border=0 width="88" height="31" alt="1Gb.ua counter"></a> </noscript> <!-- /counter.1Gb.ua --> It modifies the string "alt='1Gb.ua counter' /><\/a>")</a></script> to "alt='1Gb.ua counter' />&lt;\/a>")</a></script> Does anybody have this code working? If so how this can be fixed? Thanks a lot in advance!

    Read the article

  • Cross domain javascript form filling, reverse proxy

    - by Michel van Engelen
    I need a javascript form filler that can bypass the 'same origin policy' most modern browsers implement. I made a script that opens the desired website/form in a new browser. With the handler, returned by the window.open method, I want to retrieve the inputs with theWindowHandler.document.getElementById('inputx') and fill them (access denied). Is it possible to solve this problem by using Isapi Rewrite (official site) in IIS 6 acting like a reverse proxy? If so, how would I configure the reverse proxy? This is how far I got: RewriteEngine on RewriteLogLevel 9 LogLevel debug RewriteRule CarChecker https://the.actualcarchecker.com/CheckCar.aspx$1 [NC,P] The rewrite works, http://ourcompany.com/ourapplication/CarChecker, as evident in the logging. From within our companysite I can run the carchecker as if it was in our own domain. Except, the 'same origin policy' is still in force. Regards, Michel

    Read the article

  • Get lots of javascript problems when using Opera 11.00 to surf

    - by s hanley
    Sites like ebay and even superuser stop working properly when I use opera 11.00. Menus stop working everywhere from ebay to godaddy. Hovering on a menu item doesn't expand it, no sub menu slides out. This makes a large number of very popular websites unusable. Am I right in assuming this is a javascript issue? I use opera for the turbo feature (I have tested opera with and without turbo so it's not turbo's fault) because I'm on mobile broadband until I get my phone line sorted out. Turbo helps me save money, as well as allowing me to surf at a sane speed. Is there a firefox or chrome equivalent to opera turbo that doesn't cost money? I'm using Opera 11.00, build 1156.

    Read the article

  • Functions registered with ExternalInterface.addCallback not available in Javascript

    - by Selene
    I'm working on a Flash game that needs to call some Javascript on the page and get data back from it. Calling Javascript from Flash works. Calling the Flash functions from Javascript (often) doesn't. I'm using the Gaia framework. What happens: The swf is loaded in with SWFObject There's a button in the Flash file. On click, it uses ExternalInterface.call() to call a Javascript function. This works. The Javascript function calls a Flash function that was exposed with ExternalInterface.addCallback(). Sometimes, the Javascript produces the following error: TypeError: myFlash.testCallback is not a function. When the error happens, it affects all functions registered with addCallback(). Gaia and some of its included libraries use addCallback(), and calling those functions from Javascript also produces the TypeError. Waiting a long time before pressing the button in Flash doesn't solve the error. Having Flash re-try addCallback() periodically doesn't solve the error When the error occurs, ExternalInterface.available = true and ExternalInterface.objectID contains the correct name for the Flash embed object. When the error occurs, document.getElementById('myflashcontent') correctly returns the Flash embed object. From my Page class: public class MyPage extends AbstractPage { // declarations of stage instances and class variables // other functions override public function transitionIn():void { send_button.addEventListener(MouseEvent.MOUSE_UP, callJS); exposeCallbacks(); super.transitionIn(); } private function exposeCallbacks():void { trace("exposeCallbacks()"); if (ExternalInterface.available) { trace("ExternalInterface.objectID: " + ExternalInterface.objectID); try { ExternalInterface.addCallback("testCallback", simpleTestCallback); trace("called ExternalInterface.addCallback"); } catch (error:SecurityError) { trace("A SecurityError occurred: " + error.message + "\n"); } catch (error:Error) { trace("An Error occurred: " + error.message + "\n"); } } else { trace("exposeCallbacks() - ExternalInterface not available"); } } private function simpleTestCallback(str:String):void { trace("simpleTestCallback(str=\"" + str + "\")"); } private function callJS(e:Event):void { if (ExternalInterface.available) { ExternalInterface.call("sendTest", "name", "url"); } else { trace("callJS() - ExternalInterface not available"); } } } My Javascript: function sendTest(text, url) { var myFlash = document.getElementById("myflashcontent"); var callbackStatus = ""; callbackStatus += '\nmyFlash[testCallback]: ' + myFlash['testCallback']; //console.log(callbackStatus); var errors = false; try { myFlash.testCallback("test string"); } catch (err) { alert("Error: " + err.toString()); error = true; } if (!error) { alert("Success"); } } var params = { quality: "high", scale: "noscale", wmode: "transparent", allowscriptaccess: "always", bgcolor: "#000000" }; var flashVars = { siteXML: "xml/site.xml" }; var attributes = { id: "myflashcontent", name: "myflashcontent" }; // load the flash movie. swfobject.embedSWF("http://myurl.com/main.swf?v2", "myflashcontent", "728", "676", "10.0.0", serverRoot + "expressInstall.swf", flashVars, params, attributes, function(returnObj) { console.log('Returned ' + returnObj.success); if (returnObj.success) { returnObj.ref.focus(); } });

    Read the article

  • Event type property lost in IE-8

    - by Channel72
    I've noticed a strange Javascript error which only seems to happen on Internet Explorer 8. Basically, on IE-8 if you have an event handler function which captures the event object in a closure, the event "type" property seems to become invalidated from within the closure. Here's a simple code snippet which reproduces the error: <html> <head> <script type = "text/javascript"> function handleClickEvent(ev) { ev = (ev || window.event); alert(ev.type); window.setTimeout(function() { alert(ev.type); // Causes error on IE-8 }, 20); } function foo() { var query = document.getElementById("query"); query.onclick = handleClickEvent; } </script> </head> <body> <input id = "query" type = "submit"> <script type = "text/javascript"> foo(); </script> </body> </html> So basically, what happens here is that within the handleClickEvent function, we have the event object ev. We call alert(ev.type) and we see the event type is "click". So far, so good. But then when we capture the event object in a closure, and then call alert(ev.type) again from within the closure, now all of a sudden Internet Explorer 8 errors, saying "Member not found" because of the expression ev.type. It seems as though the type property of the event object is mysteriously gone after we capture the event object in a closure. I tested this code snippet on Firefox, Safari and Chrome, and none of them report an error condition. But in IE-8, the event object seems to become somehow invalidated after it's captured in the closure. Question: Why is this happening in IE-8, and is there any workaround?

    Read the article

  • Javascript loading never completes on many sites

    - by Joe
    I recently moved country and have found that on many websites the page never finishes loading. In some cases, no content is ever displayed, but the loading will never time out. Loading Developer Tools in Chrome shows me that it is the Javascript files which never load. For example, this BBC article will never load compatability.js, though will load all the other JS files perfectly. Google Maps often fails to finish loading, meaning it's impossible to make searches. There seems to be no pattern to which files will fail to load (i.e. they don't come from the same CDN). I have tried Chrome, Safari and Firefox on OSX 10.8, and Chrome on my girlfriend's OSX 10.7. I have similar issues on the iPad. In many cases, if I can go to the mobile version of the page that seems to load fine. I have run the browsers in private mode, disabled plugins, updated flash, cleared the cache, flushed the DNS cache - though it would seem that if this is happening on other devices, none of this would work anyway. Is this an ISP issue? And if so, why would it be limited to certain JS files and not all? JS files from the same domain work fine, so I'm not really sure what I should be looking for.

    Read the article

  • HTML form with single text field + preventing postback in Internet Explorer

    - by SudheerKovalam
    I have noticed a rather strange behaviour in IE. I have a HTML form with a single input text field and a submit button On Submit click I need to execute a client side JavaScript function that does the necessary. Now when I want to prevent the postback in the text field (on enter key press) I have added a key press JavaScript function that looks like this: <input type=text onkeypress="return OnEnterKeyPress(event)" /> function OnEnterKeyPress(event) { var keyNum = 0; if (window.event) // IE { keyNum = event.keyCode; } else if (event.which) // Netscape/Firefox/Opera { keyNum = event.which; } else return true; if (keyNum == 13) // Enter Key pressed, then start search, else do nothing. { OnButtonClick(); return false; } else return true; } Strangly this doesn't work. But if I pass the text field to the function : <input type=text onkeypress="return OnEnterKeyPress(this,event);" /> function OnEnterKeyPress(thisForm,event) { var keyNum = 0; if (window.event) // IE { keyNum = event.keyCode; } else if (event.which) // Netscape/Firefox/Opera { keyNum = event.which; } else return true; if (keyNum == 13) // Enter Key pressed, then start search, else do nothing. { OnButtonClick(); return false; } else return true; } I am able to prevent the postback. Can anyone confirm what is exactly happening here?? the HTML form has just one text box and a submit button The resultant o/p of the JavaScript function executed on submit is displayed in a HTML text area in a separate div.

    Read the article

  • Can I delete libc-bin?

    - by Balazs Szikszay
    Question is simple, I need to know because I cant upgrade/install anything, because it always says I have to uninstall/delete it to continue. It also says dont do it, if I dont know what I am doing. EDIT: szikszay@szikszay-Latitude-E5530-non-vPro:~$ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done You might want to run ‘apt-get -f install’ to correct these. The following packages have unmet dependencies. ia32-libs-multiarch:i386 : Depends: libqtcore4:i386 but it is not installed Depends: libqtgui4:i386 but it is not installed Depends: libqt4-dbus:i386 but it is not installed Depends: libqt4-network:i386 but it is not installed Depends: libqt4-opengl:i386 but it is not installed Depends: libqt4-qt3support:i386 but it is not installed Depends: libqt4-script:i386 but it is not installed Depends: libqt4-scripttools:i386 but it is not installed Depends: libqt4-sql:i386 but it is not installed Depends: libqt4-svg:i386 but it is not installed Depends: libqt4-test:i386 but it is not installed Depends: libqt4-xml:i386 but it is not installed Depends: libqt4-xmlpatterns:i386 but it is not installed Depends: libcups2:i386 but it is not installed Depends: libcupsimage2:i386 but it is not installed Depends: libcurl3:i386 but it is not installed Depends: libnss3:i386 but it is not installed Depends: libnspr4:i386 but it is not installed Depends: libssl1.0.0:i386 but it is not installed Recommends: libgl1-mesa-glx:i386 but it is not installed Recommends: libgl1-mesa-dri:i386 but it is not installed lib32ffi6 : Depends: libc6-i386 (= 2.4) but it is not installed lib32gcc1 : Depends: libc6-i386 (= 2.5) but it is not installed lib32nss-mdns : Depends: libc6-i386 (= 2.4) but it is not installed lib32stdc++6 : Depends: libc6-i386 (= 2.4) but it is not installed lib32z1 : Depends: libc6-i386 (= 2.4) but it is not installed libacl1:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libattr1:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libaudio2:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libavahi-client3:i386 : Depends: libc6:i386 (= 2.4) but it is not installed Depends: libdbus-1-3:i386 (= 1.1.1) but it is not installed libavahi-common3:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libcomerr2:i386 : Depends: libc6:i386 (= 2.12) but it is not installed libdb5.1:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libdrm-intel1:i386 : Depends: libc6:i386 (= 2.3.4) but it is not installed libdrm-nouveau1a:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed libdrm-radeon1:i386 : Depends: libc6:i386 (= 2.3.4) but it is not installed libdrm2:i386 : Depends: libc6:i386 (= 2.7) but it is not installed libffi6:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libfontconfig1:i386 : Depends: libc6:i386 (= 2.7) but it is not installed Depends: libexpat1:i386 (= 1.95.8) but it is not installed Depends: libfreetype6:i386 (= 2.2.1) but it is not installed libgcc1:i386 : Depends: libc6:i386 (= 2.2.4) but it is not installed libgcrypt11:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libgdbm3:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed libglib2.0-0:i386 : Depends: libc6:i386 (= 2.9) but it is not installed libgpg-error0:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed libice6:i386 : Depends: libc6:i386 (= 2.11) but it is not installed libidn11:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libjpeg62:i386 : Depends: libc6:i386 (= 2.7) but it is not installed libkeyutils1:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed liblcms1:i386 : Depends: libc6:i386 (= 2.7) but it is not installed libllvm2.9:i386 : Depends: libc6:i386 (= 2.11) but it is not installed libmng1:i386 : Depends: libc6:i386 (= 2.11) but it is not installed libpciaccess0:i386 : Depends: libc6:i386 (= 2.7) but it is not installed libpcre3:i386 : Depends: libc6:i386 (= 2.4) but it is not installed librtmp0:i386 : Depends: libc6:i386 (= 2.7) but it is not installed Depends: libgnutls26:i386 (= 2.9.11-0) but it is not installed libsasl2-2:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libsasl2-modules:i386 : Depends: libc6:i386 (= 2.4) but it is not installed Depends: libssl1.0.0:i386 (= 1.0.0) but it is not installed libselinux1:i386 : Depends: libc6:i386 (= 2.8) but it is not installed libsm6:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libsqlite3-0:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libstdc++6:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libuuid1:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libx11-6:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libxau6:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libxcb1:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libxdamage1:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed libxdmcp6:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libxext6:i386 : Depends: libc6:i386 (= 2.4) but it is not installed libxfixes3:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed libxrender1:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed libxss1:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed libxt6:i386 : Depends: libc6:i386 (= 2.7) but it is not installed libxxf86vm1:i386 : Depends: libc6:i386 (= 2.1.3) but it is not installed zlib1g:i386 : Depends: libc6:i386 (= 2.4) but it is not installed E: Unmet dependencies. Try using -f. szikszay@szikszay-Latitude-E5530-non-vPro:~$ sudo apt-get upgrade -f Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following packages will be REMOVED libc-bin The following NEW packages will be installed libc-bin:i386 libc6:i386 libc6-i386 libcups2:i386 libcupsimage2:i386 libcurl3:i386 libdbus-1-3:i386 libexpat1:i386 libfreetype6:i386 libgl1-mesa-dri:i386 libgl1-mesa-glx:i386 libglapi-mesa:i386 libgnutls26:i386 libgssapi-krb5-2:i386 libk5crypto3:i386 libkrb5-3:i386 libkrb5support0:i386 libldap-2.4-2:i386 libnspr4:i386 libnss3:i386 libpng12-0:i386 libqt4-dbus:i386 libqt4-declarative:i386 libqt4-designer:i386 libqt4-network:i386 libqt4-opengl:i386 libqt4-qt3support:i386 libqt4-script:i386 libqt4-scripttools:i386 libqt4-sql:i386 libqt4-svg:i386 libqt4-test:i386 libqt4-xml:i386 libqt4-xmlpatterns:i386 libqtcore4:i386 libqtgui4:i386 libssl1.0.0:i386 libtasn1-3:i386 libtiff4:i386 libxi6:i386 The following packages have been kept back: ginn libgrip0 linux-headers-generic linux-image-generic unity unity-common xserver-xorg-input-evdev xserver-xorg-input-synaptics The following packages will be upgraded: accountsservice acpi-support acpid aisleriot alsa-utils app-install-data-partner apparmor appmenu-qt apport apport-gtk apt apt-transport-https apt-utils aptdaemon aptdaemon-data apturl apturl-common at-spi2-core bamfdaemon banshee banshee-extension-soundmenu banshee-extension-ubuntuonemusicstore baobab bind9-host binutils bluez bluez-alsa bluez-cups bluez-gstreamer brasero brasero-cdrkit brasero-common brltty bzip2 ca-certificates-java checkbox checkbox-gtk colord command-not-found command-not-found-data compiz compiz-core compiz-gnome compiz-plugins-default compiz-plugins-main-default cups cups-bsd cups-client cups-common cups-ppdc dbus dbus-x11 deja-dup desktop-file-utils dnsutils dpkg ecryptfs-utils empathy empathy-common eog evince evince-common evolution-data-server evolution-data-server-common file-roller firefox firefox-globalmenu firefox-gnome-support firefox-locale-en firefox-locale-hu gbrainy gcalctool gconf2 gconf2-common gedit gedit-common ghostscript ghostscript-cups ghostscript-x gir1.2-atspi-2.0 gir1.2-gconf-2.0 gir1.2-gnomebluetooth-1.0 gir1.2-gtk-3.0 gir1.2-gtksource-3.0 gir1.2-totem-1.0 gir1.2-unity-4.0 gir1.2-webkit-3.0 gnome-accessibility-themes gnome-bluetooth gnome-control-center gnome-control-center-data gnome-desktop3-data gnome-font-viewer gnome-games-common gnome-icon-theme gnome-keyring gnome-mahjongg gnome-online-accounts gnome-orca gnome-power-manager gnome-screenshot gnome-search-tool gnome-session gnome-session-bin gnome-session-canberra gnome-session-common gnome-settings-daemon gnome-sudoku gnome-system-log gnome-system-monitor gnome-utils-common gnomine gnupg gpgv grub-common grub-pc grub-pc-bin grub2-common gstreamer0.10-gconf gstreamer0.10-plugins-good gstreamer0.10-pulseaudio gvfs gvfs-backends gvfs-bin gvfs-fuse gwibber gwibber-service gwibber-service-facebook gwibber-service-identica gwibber-service-twitter gzip hpijs hplip hplip-cups hplip-data icedtea-6-jre-cacao icedtea-6-jre-jamvm icedtea-netx ifupdown im-switch indicator-datetime indicator-session indicator-sound initramfs-tools initramfs-tools-bin initscripts insserv isc-dhcp-client isc-dhcp-common iso-codes jockey-common jockey-gtk language-pack-en language-pack-en-base language-pack-gnome-en language-pack-gnome-en-base language-pack-gnome-hu language-pack-gnome-hu-base language-pack-hu language-pack-hu-base language-selector-common language-selector-gnome libaccountsservice0 libapt-inst1.3 libapt-pkg4.11 libarchive1 libasound2-plugins libatk-adaptor libatspi2.0-0 libbamf0 libbamf3-0 libbind9-60 libbluetooth3 libbrasero-media3-1 libbrlapi0.5 libbz2-1.0 libc-dev-bin libc6 libc6-dev libcamel-1.2-29 libcanberra-gtk-module libcanberra-gtk0 libcanberra-gtk3-0 libcanberra-gtk3-module libcanberra-pulse libcanberra0 libcolord1 libcups2 libcupscgi1 libcupsdriver1 libcupsimage2 libcupsmime1 libcupsppdc1 libcurl3-gnutls libdbus-1-3 libdbus-glib-1-2 libdecoration0 libdns69 libebackend-1.2-1 libebook1.2-12 libecal1.2-10 libecryptfs0 libedata-book-1.2-11 libedata-cal-1.2-13 libedataserver1.2-15 libedataserverui-3.0-1 libevince3-3 libexif12 libexpat1 libfreetype6 libgail-3-0 libgail-3-common libgck-1-0 libgconf2-4 libgcr-3-1 libgdata-common libgdata13 libgl1-mesa-dri libgl1-mesa-glx libglapi-mesa libglu1-mesa libgnome-bluetooth8 libgnome-control-center1 libgnome-desktop-3-2 libgnutls26 libgoa-1.0-0 libgs9 libgs9-common libgssapi-krb5-2 libgtk-3-0 libgtk-3-bin libgtk-3-common libgtksourceview-3.0-0 libgtksourceview-3.0-common libgudev-1.0-0 libgweather-3-0 libgweather-common libgwibber-gtk2 libgwibber2 libhpmud0 libicu44 libimobiledevice2 libisc62 libisccc60 libisccfg62 libjasper1 libjs-jquery libk5crypto3 libkrb5-3 libkrb5support0 libldap-2.4-2 liblightdm-gobject-1-0 liblwres60 libmetacity-private0 libmission-control-plugins0 libmono-cairo4.0-cil libmono-corlib4.0-cil libmono-csharp4.0-cil libmono-i18n-west4.0-cil libmono-i18n4.0-cil libmono-posix4.0-cil libmono-security4.0-cil libmono-sharpzip4.84-cil libmono-system-configuration4.0-cil libmono-system-core4.0-cil libmono-system-drawing4.0-cil libmono-system-security4.0-cil libmono-system-xml4.0-cil libmono-system4.0-cil libmono-zeroconf1.0-cil libmysqlclient16 libnautilus-extension1 libncurses5 libncursesw5 libnm-glib-vpn1 libnm-glib4 libnm-gtk-common libnm-gtk0 libnm-util2 libnotify0.4-cil libnspr4 libnss3 libnss3-1d libnux-1.0-0 libnux-1.0-common libpam-gnome-keyring libpam-modules libpam-modules-bin libpam-runtime libpam0g libperl5.12 libpng12-0 libpoppler-glib6 libpoppler13 libproxy0 libpulse-mainloop-glib0 libpulse0 libpurple-bin libpurple0 libpython2.7 libqt4-dbus libqt4-declarative libqt4-network libqt4-opengl libqt4-script libqt4-sql libqt4-sql-mysql libqt4-svg libqt4-xml libqt4-xmlpatterns libqtcore4 libqtgui4 libreoffice-base-core libreoffice-calc libreoffice-common libreoffice-core libreoffice-draw libreoffice-emailmerge libreoffice-gnome libreoffice-gtk libreoffice-help-en-gb libreoffice-help-en-us libreoffice-help-hu libreoffice-impress libreoffice-l10n-common libreoffice-l10n-en-gb libreoffice-l10n-en-za libreoffice-l10n-hu libreoffice-math libreoffice-style-human libreoffice-writer libsane-hpaio libsmbclient libsnmp-base libsnmp15 libssl1.0.0 libsyncdaemon-1.0-1 libt1-5 libtasn1-3 libtiff4 libtinfo5 libtotem0 libubuntuone-1.0-1 libubuntuone1.0-cil libudev0 libunity-core-4.0-4 libunity6 libusbmuxd1 libv4l-0 libvorbis0a libvorbisenc2 libvorbisfile3 libwbclient0 libwebkitgtk-1.0-0 libwebkitgtk-1.0-common libwebkitgtk-3.0-0 libwebkitgtk-3.0-common libxi6 libxml2 libxslt1.1 lightdm linux-firmware linux-libc-dev mawk metacity metacity-common mobile-broadband-provider-info modemmanager mono-4.0-gac mono-gac mono-runtime mousetweaks multiarch-support mysql-common nautilus nautilus-data nautilus-sendto-empathy ncurses-base ncurses-bin network-manager network-manager-gnome nux-tools onboard openjdk-6-jre openjdk-6-jre-headless openjdk-6-jre-lib openssl perl perl-base perl-modules poppler-utils pulseaudio pulseaudio-esound-compat pulseaudio-module-bluetooth pulseaudio-module-gconf pulseaudio-module-x11 pulseaudio-utils python-apport python-aptdaemon python-aptdaemon-gtk python-aptdaemon.gtk3widgets python-aptdaemon.gtkwidgets python-brlapi python-crypto python-cups python-cupshelpers python-egenix-mxdatetime python-egenix-mxtools python-gobject python-gobject-cairo python-httplib2 python-keyring python-launchpadlib python-libproxy python-libxml2 python-pam python-papyon python-pkg-resources python-problem-report python-pyatspi2 python-software-properties python-ubuntuone-client python-ubuntuone-storageprotocol python-uno python2.7 python2.7-minimal qdbus samba-common samba-common-bin seahorse shotwell simple-scan smbclient sni-qt software-center software-properties-common software-properties-gtk sudo system-config-printer-common system-config-printer-gnome system-config-printer-udev sysv-rc sysvinit-utils telepathy-indicator telepathy-mission-control-5 thunderbird thunderbird-globalmenu thunderbird-gnome-support thunderbird-locale-en thunderbird-locale-en-gb thunderbird-locale-en-us thunderbird-locale-hu tomboy totem totem-common totem-mozilla totem-plugins transmission-common transmission-gtk ttf-opensymbol tzdata tzdata-java ubuntu-desktop ubuntu-docs ubuntu-minimal ubuntu-sso-client ubuntu-standard ubuntuone-client ubuntuone-client-gnome ubuntuone-couch udev unity-lens-applications unity-services uno-libs3 update-manager update-manager-core update-notifier update-notifier-common upstart ure usbmuxd vim-common vim-tiny vinagre vino whois x11-common xdiagnose xorg xserver-common xserver-xorg xserver-xorg-core xserver-xorg-input-all xserver-xorg-video-all xserver-xorg-video-intel xserver-xorg-video-openchrome xserver-xorg-video-qxl xul-ext-ubufox WARNING: The following essential packages will be removed. This should NOT be done unless you know exactly what you are doing! libc-bin 498 upgraded, 40 newly installed, 1 to remove and 8 not upgraded. 69 not fully installed or removed. Need to get 439 MB of archives. After this operation, 135 MB of additional disk space will be used. You are about to do something potentially harmful To continue type in the phrase ‘Yes, do as I say!’ ?] I tried to upgrade but it gives me an error, when i try to upgrade-f it says i should delete libc-bin. Thanks for the answers btw. EDIT2: it also says this: The package system is broken If you are using third party repositories then disable them, since they are a common source of problems. Now run the following command in a terminal: apt-get install -f

    Read the article

< Previous Page | 22 23 24 25 26 27 28 29 30 31 32 33  | Next Page >