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  • javascript function is not getting called onclick of hx:commant button

    - by Sunny Mate
    hi i have method called test() when iu click on the commandButton the method should get called but the method is not getting called my code is as follows method **function test() { alert('ss'); return "true"; }** and method calling is <hx:commandExButton type="submit" value="Search" styleClass="action2" id="searchButton" **onclick="return test();"** action="#{pc_WorkInProgressUserGrid.doSearchButtonAction}" immediate="true </hx:commandExButton> any suggestion would be helpful

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  • Setting javascript prototype function within object class declaration

    - by Tauren
    Normally, I've seen prototype functions declared outside the class definition, like this: function Container(param) { this.member = param; } Container.prototype.stamp = function (string) { return this.member + string; } var container1 = new Container('A'); alert(container1.member); alert(container1.stamp('X')); This code produces two alerts with the values "A" and "AX". I'd like to define the prototype function INSIDE of the class definition. Is there anything wrong with doing something like this? function Container(param) { this.member = param; if (!Container.prototype.stamp) { Container.prototype.stamp = function() { return this.member + string; } } } I was trying this so that I could access a private variable in the class. But I've discovered that if my prototype function references a private var, the value of the private var is always the value that was used when the prototype function was INITIALLY created, not the value in the object instance: Container = function(param) { this.member = param; var privateVar = param; if (!Container.prototype.stamp) { Container.prototype.stamp = function(string) { return privateVar + this.member + string; } } } var container1 = new Container('A'); var container2 = new Container('B'); alert(container1.stamp('X')); alert(container2.stamp('X')); This code produces two alerts with the values "AAX" and "ABX". I was hoping the output would be "AAX" and "BBX". I'm curious why this doesn't work, and if there is some other pattern that I could use instead.

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  • JavaScript Encapsulation / JQuery

    - by Chris
    I am trying to figure out how to keep my page variables in my application from being defined globally. I've come up with a few methods but am wondering if there is a general standard approach people use. I've got my plugin design pattern down using this approach: http://www.virgentech.com/blog/2009/10/building-object-oriented-jquery-plugin.html. But I'm just not sure how to handle my page level encapsulation.

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  • Javascript: Uncaught exception: "too few args"

    - by Rosarch
    I think I must be making some really stupid mistake. I'm using the latest version of jQuery to write an AJAX app. function refreshGPAForTerm(term) { var meta_data = term.children('.' + TERM_META_DATA_CLASS); meta_data.children('.' + MEDIAN_GPA_CLASS).fadeOut('slow').remove(); meta_data.append(_getMedianGPAElem(term.data('GPA'))).hide().fadeIn('slow'); } function moveToTerm(original_course, helper, term) { var cloned_course = original_course.clone(true); term.data('credits', term.data('credits') + cloned_course.data('credits')); term.data('median_GPA', term.data('median_GPA') + cloned_course.data('credits') * cloned_course.data('GPA')); // error here refreshGPAForTerm(term); refreshCreditForTerm(term); original_course.addClass('already-scheduled'); original_course.draggable('disable'); cloned_course.appendTo(term).hide().fadeIn('slow').draggable(); } When refreshGPAForTerm(term) is called, Firebug displays: "Uncaught exception - Too few arguments". Stepping through in a debugger, the code then goes into jQuery. Why is this happening? What am I doing wrong?

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  • Strange behavior: Dynamic expressions with RegExp Object in RegExp.match (Javascript)

    - by NeDark
    I have detect a strange behavior in regexps created with the RegExp object: With this code: var exp1 = /./; var exp2 = new RegExp('.'); ? var test1 = exp1.test('large\n\ntext..etc.'); var test2 = exp2.test('large\n\ntext..etc.'); ? var match1 = 'large\n\ntext..etc.'.match(exp1); var match2 = 'large\n\ntext..etc.'.match(exp2); ...the result is: test1 = true test2 = true ? match1 = 'l' (first match) match2 = null With the regexp maked with the regexp object from a string it finds nothing... Why does this happends? Thanks!!

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  • Overwriting arguments object for a Javascript function

    - by Ian Storm Taylor
    If I have the following: // Clean input. $.each(arguments, function(index, value) { arguments[index] = value.replace(/[\W\s]+/g, '').toLowerCase(); }); Would that be a bad thing to do? I have no further use for the uncleaned arguments in the function, and it would be nice not to create a useless copy of arguments just to use them, but are there any negative effects to doing this? Ideally I would have done this, but I'm guessing this runs into problems since arguments isn't really an Array: arguments = $.map(arguments, function(value) { return value.replace(/[\W\s]+/g, '').toLowerCase(); }); Thanks for any input. EDIT: I've just realized that both of these are now inside their own functions, so the arguments object has changed. Any way to do this without creating an unnecessary variable?

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  • JavaScript Object Question

    - by Frank Neville
    What I want to do with the fs object is to add multiple "items" to the fs.items property. How can I do this? You can see my attempt below, obviously this does not work. I am a beginner, go easy on me :) Thanks... var fs = { name:'test', items:[] }; fs.items = { name:'item1', value:1 }; fs.items = { name:'item2', value:2 }

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  • Javascript check of a form, not waiting for ajax response

    - by Y.G.J
    this is a part of the check in my form function check(theform) { var re = /^\w[0-9A-Za-z]{5,19}$/; if (!re.test(theform.username.value)) { alert("not valid username"); theform.username.focus(); return false; } $.ajax({ type: "POST", url: "username.asp", data: "username="+theform.username.value, success: function(msg){ username = msg; if (!username) { alert("username already in use"); return false; } } }); var re = /^\w[0-9A-Za-z]{5,19}$/; if (!re.test(theform.password.value)) { alert("not valid password"); theform.password.focus(); return false; } } for some reason of sync... it check the username then duplicated username with the ajax and not waiting for respond and jump to the password check. i don't want to insert the rest of the code to isreadystate (or what ever it is) because i might move the username duplicate check to the end... and then the function will end before the ajax anyway what should i do?

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  • How to open email by x-gm-msgid in Gmail with Javascript

    - by Rui J
    I'm writing an extension which surfaces links to gmail messages. As the UI loads right in Gmail, I should be able to click on one of these links and have Gmail load it (without refreshing). I have "x-gm-msgid" available and theoretically, I should just be able to navigate to "https://mail.google.com/mail/u/0/#inbox/[x-gm-msgid]". I've tried using location.hash = "#inbox/[x-gm-msgid]" I've tried using history.pushState(null, null, "/mail/u/0/#inbox/[x-gm-msgid]") Neither of which works. Gmail just thwarts any attempt to change the URL (unless it is done via user interaction) Any thoughts on how to get around this restriction?

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  • Javascript Assoctiative Arrays

    - by John Hartsock
    Hello all, It seems to me that this should work but I cant see what exactly is the problem. The error Im receiving is "DDROA is not defined" Could anyone help enlighten me. var DDROA = { AllowedRoutes : { AR0 : {text : 'SomeText', value : 'SomeValue'}, AR1 : {text : 'SomeText2', value : 'SomeValue2'} }, RouteContext : { RC0 : {text : 'None', value : '0', AllowedRoutes : new Array( DDROA.AllowedRoutes.AR0 // An error occurs here ) } } }

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  • javascript: execute a bunch of asynchronous method with one callback

    - by Samuel Michelot
    I need to execute a bunch of asynchronous methods (client SQLite database), and call only one final callback. Of course, the ugly way is: execAll : function(callBack) { asynch1(function() { asynch2(function() { ... asynchN(function() { callBack(); }) }) }); } But I know there are better ways to do it. Intuitively I would detect when all call back has been called with a counter to call the final callback. I think this is a common design-pattern, so if someone could point me in the right direction... Thanks in advance !

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  • Pure HTML + JavaScript client side templating

    - by Dev er dev
    I want to have achieve something similar to Java Tiles framework using only client side technologies (no server side includes). I would like to have one page, eg layout.html which will contain layout definition. Content placeholder in that page would be empty #content div tag. I would like to have different content injected on that page based on url. Something like layout.html?content=main or layout.html?content=edit will display page with content replaced with main.html or edit.html. The goal is to avoid duplicating code, even for layout, and to compose pages without server-side templating. What approach would you suggest? EDIT: I don't need a full templating library, just a way to compose a pages, similar for what tiles do.

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  • Using Javascript in Adobe Reader

    - by godleuf
    Hi, I am currently using the following script for a few documents: var pp = this.getPrintParams(); pp.interactive = pp.constants.interactionLevel.automatic; this.print(pp); How do I add another command, say document.close() so that it reads the print function and then follows the close document last? Do I simply add the close command right after the print command so it would read var pp = this.getPrintParams(); pp.interactive = pp.constants.interactionLevel.automatic; this.print(pp); document.close(); Thanks.

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  • how to set values to combobox dynamically in javascript

    - by Learner
    this is how i set value to a combobox using dwr call, var reportID = '<%=reportid%>'; var reportName = '<%=reportname%>'; loadReportNames(reportUserID); function loadReportNames(reportUserID){ CustomiseReportAction.getReportNames(reportUserID, addReportNamesDropDown); } function addReportNamesDropDown(resultMap){ dwr.util.removeAllOptions("reportnames"); dwr.util.addOptions("reportnames",resultMap); } after loading the combo box i set values to loaded combo like this, document.getElementById("reportnames").value=reportID; but the reportID is not set, what could be the problem please help me to resolve this. UPDATE : function addCombo() { var reportID = '<%=reportid%'; var reportName = '<%=reportname%'; var textb = document.getElementById("reportnames"); var option = document.createElement("option"); option.text = reportName; option.value = reportID; option.selected="selected"; try { textb.add(option, null); //Standard }catch(error) { textb.add(option); // IE only } textb.value = ""; } used above method it gives me no exception but no results. Regards

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  • JavaScript: 2 window.opener.location.href statements with alert() in between not functioning

    - by vastbeyond
    I need to make a little JS app to scroll automatically through a list of URLs. I've chosen to have the functionality in a pop-up, for various reasons. The syntax to change the opening window's URL is: window.opener.location.href = "http://www.example.com"; This works fine with one URL, but if two statements are called, only one is executed. I experimented with an alert statement between two of the above statements, and the alert event made the second statement function properly: window.opener.location.href = "http://www.example1.com"; alert("hello world"); window.opener.location.href = "http://www.example2.com"; Question is: does anyone know how to get the first and second window.opener statements to work, without the intervening alert();? Also, how can I add a pause between the two statements, so that the second executes a couple of seconds after the first? Thanks so much!

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  • Split Panel using javascript

    - by Tim
    Hi All, I'm trying to code a split panel, Left and right. Each will have a button which you can click on and it will toggle that panel, while expanding the other. I am clueless as to where to start off? Is there an example that already does this? Can someone help me out. Thanks

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  • Javascript tricks

    - by ayush
    What does the following code mean - <a href="javacsript:;" onClick="addItem(160)">some link</a> My basic doubt is which script is run when we click on the link

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  • javascript innerHTML without childNodes?

    - by John Doe
    hi all im having a firefox issue where i dont see the wood for the trees using ajax i get html source from a php script this html code contains a tag and within the tbody some more tr/td's now i want to append this tbody plaincode to an existing table. but there is one more condition: the table is part of a form and thus contains checkboxe's and drop down's. if i would use table.innerHTML += content; firefox reloads the table and reset's all elements within it which isnt very userfriendly as id like to have what i have is this // content equals transport.responseText from ajax request function appendToTable(content){ var wrapper = document.createElement('table'); wrapper.innerHTML = content; wrapper.setAttribute('id', 'wrappid'); wrapper.style.display = 'none'; document.body.appendChild(wrapper); // get the parsed element - well it should be wrapper = document.getElementById('wrappid'); // the destination table table = document.getElementById('tableid'); // firebug prints a table element - seems right console.log(wrapper); // firebug prints the content ive inserted - seems right console.log(wrapper.innerHTML); var i = 0; // childNodes is iterated 2 times, both are textnode's // the second one seems to be a simple '\n' for(i=0;i<wrapper.childNodes.length;i++){ // firebug prints 'undefined' - wth!?? console.log(wrapper.childNodes[i].innerHTML); // firebug prints a textnode element - <TextNode textContent=" "> console.log(wrapper.childNodes[i]); table.appendChild(wrapper.childNodes[i]); } // WEIRD: firebug has no problems showing the 'wrappid' table and its contents in the html view - which seems there are the elements i want and not textelements } either this is so trivial that i dont see the problem OR its a corner case and i hope someone here has that much of expirience to give an advice on this - anyone can imagine why i get textnodes and not the finally parsed dom elements i expect? btw: btw i cant give a full example cause i cant write a smaller non working piece of code its one of those bugs that occure in the wild and not in my testset thx all

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  • JavaScript lazy regex for matching HTML tags

    - by Grnbeagle
    Hi, I'm having a problem writing a regular expression for matching HTML tags. I found a similar entry here, but this didn't quite work in my case. Here's my test string: <div id="div0" class="myclass">here's some text that may include whitespace</div><div id="div1" class="myclass"> and some more here </div> And here's my regex based on the aforementioned entry: <div[^>]*class="myclass">[^~]*?<\/div> Note that I need to match the first instance of <div /> with class of "myclass." The content may have carriage returns. These <div> tags won't be nested. Here's a rubular page for testing: http://rubular.com/r/vlfcikKMXk

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  • JavaScript (SVG drawing): Positioning x amount of points in an area

    - by Jack
    I'm using http://raphaeljs.com/ to try and draw multiple small circles. The problem I'm having is that the canvas has a fixed width, and if I want to draw, say, 1000 circles, they don't wrap onto a 'new line' (because you have to specify the xy position of each circle). E.g. I want this: .................................................. to look like this: ............................ ...................... At the moment I'm doing this: for ( var i = 0; i < 1000; i++ ) { var multiplier = i*3; if ( i <= 50 ) { paper.circle((2*multiplier),2,2); } else if ( i >= 51 && i <= 101 ) { paper.circle((2*multiplier) - 304,8,2); } else if ( i >= 152 && i <= 202 ) { paper.circle((2*multiplier) - 910,14,2); } } For reference: circle(x co-ord, y co-ord, radius) This is messy. I have to add an if statement for every new line I want. Must be a better way of doing it..?

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  • Javascript/PHP popup page problem

    - by Suezy
    I have a program in PHP that allows user to pop in a message, for confirmation from user. As seen below is the link i used. From inbox.php: echo "<a href='inbox.php' onclick=\"popup('acknowledge.php?id=$id')\"><font size=1px color=maroon>acknowledge</font></a></td>"; From acknowledge.php: if ($_POST['no']) { header("location: inbox.php"); } ?> <body bgcolor=skyblue> <center><form name=form1 method=post> <b><u> Acknowledge Message </u></b><br><br> Are you sure yout want to acknowledge this message?<br><br> <input type=button name=yes value="Yes"> &nbsp; <input type=submit name="no" value="No" onSubmit="window.close()"> </form> </center> </body> The problem is, everytime i click "no", to go back from previous page. It sets the page size the same as the popup page. It becomes smaller too. What's the problem? Answers are very much appreciated.

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  • Calling methods within same JavaScript class [Prototype]

    - by eldeejay
    I've created a class in Javscript using the prototype Class.Create complete with the initialize function and a few other functions. However, in one of my functions I want to reference another function in the same class, but cannot seem to get the syntax correct. e.g. var sampleClass = Class.create({ initialize: function(){ //do the init work here }, functionA: function(){ //do some more stuff here } functionB: function(){ //Do some stuff functionA() } } I've tried calling functionA() , this.functionA() but nothing works I just get errors. I know how to call the functions externally when the class has been instantiated, but not reference a function from within the class itself. Thanks

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  • Using javascript to detect browser type

    - by Duber
    I'm trying to use this line to detect browser type: IE or Firefox. alert(isBrowser("Microsoft")); but I get absolutely nothing, the alert doesn't even pop up. Not sure what I'm doing wrong. What would be the best practice way to detect browser type?

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  • Emulate clicking a link with Javascript that works with IE

    - by Tam
    I want to have java script clicking a link on the page..I found something on the net that suggests adding a function like this: function fireEvent(obj,evt){ var fireOnThis = obj; if( document.createEvent ) { var evObj = document.createEvent('MouseEvents'); evObj.initEvent( evt, true, false ); fireOnThis.dispatchEvent(evObj); } else if( document.createEventObject ) { fireOnThis.fireEvent('on'+evt); } } Then call it using: fireEvent(document.getElementById('edit_client_link'),'click'); This seems to work fine for FF but with IE it doesn't work! Any ideas?

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