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  • javascript table - update on data request

    - by flyingcrab
    Hi, I am trying to update a table based on a json request. The first update / draw works fine - but any subsequent changes to the variables (the start and end date) do not show up - even though the json pulled from the server seems to be correct (according to firebug). AFAIK the code below should re-initialize everything - no sure what is going on (I'm using the Google vizulization api)? function handleQueryResponse(response) { if (response.isError()) { //alert('Error in query: ' + response.getMessage() + ' ' + response.getDetailedMessage()); return; } visualization = new google.visualization.Table(document.getElementById('visualization')); visualization.draw(response.getDataTable(), null); } One more thing: I'm working on a page that displays textbased tables and currently trying to decide between the google table (viz api) and a jQuery alternative I came across jqGrid any good ones I am missing?

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  • Offset time for DST in one specific timezone using JavaScript

    - by Shannon
    I need to offset the time by an hour if it's currently DST in the Pacific Time Zone. How can I determine the current daylight savings status of the Pacific Time Zone, regardless of the user's local timezone? Here's what I have so far. "dst" in line 4 is just a placeholder for a function that would tell me if daylight savings time is active in that zone. function checkTime() { var d = new Date(); var hour = d.getUTCHours(); var offset = dst ? 7 : 8; // is pacific time currently in daylight savings? // is it currently 6 AM, 2 PM, or 10 PM? if (hour === ((6 + offset) % 24) || hour === ((14 + offset) % 24) || hour === ((22 + offset) % 24)) { // do stuff } } checkTime();

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  • javascript get child by id

    - by Senica Gonzalez
    <div onclick="test(this)"> Test <div id="child">child</div> </div> I want to change the style of the child div when the parent div is clicked. How do I reference it? I would like to be able to reference it by ID as the the html in the parent div could change and the child won't be the first child etc. function test(el){ el.childNode["child"].style.display = "none"; } Something like that, where I can reference the child node by id and set the style of it. Thanks.

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  • IE 8 remove line break between nodes with JavaScript

    - by Tokimon
    Ok i have a list of HTML nodes which should be inline with no spacing between them. The problem is, that the nodes are written from a CMS and therefore will come with all sorts of linebreaks and spaces. Therefore I'm removing the spaces with JS using the method descibed in this question. The problem is, however, that in IE (not 9) the white spaces isn't part of the childrens list of the parent node, rendering the method useless in IE. However IE 7 (or at least IE 9 emulating IE 7) ignores the linebreaks, so that one is in the clear. That leaves IE 8 as the troublemaker. I discovered that the line break is actually a part of the outerHTML and that a simple reset of the outerHTML did the trick - like so: node.outerHTML = node.outerHTML However this will reset the node intirely and therefore removing all events and other settings on the node, which isn't really any good. So my question is now: Is there a way to remove that linebreak from the nodes outerHTML whitout resetting the node? I've tried with zoom: 1, but to no avail. Hope anyone has any experience with this.

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  • Javascript and VERY LONG string

    - by StealthRT
    Hey all, i am having problems with the below code: function showTableData() { var tableArray; var x = 0; var theHTML; for (i = 0; i < 7032; i++) { if (x = 0) { theHTML = '<tr>' + '<th scope="row" class="spec">' + partNum[i] + '</th>' + '<td>' + Msrp[i] + '</td>' + '<td>' + blah[i] + '</td>' + '<td>' + blahs[i] + '</td>' + '</tr>' + theHTML; x++; }else{ theHTML = '<tr>' + '<th scope="row" class="specalt">' + partNum[i] + '</th>' + '<td class="alt">' + Msrp[i] + '</td>' + '<td class="alt">' + blah[i] + '</td>' + '<td class="alt">' + blahs[i] + '</td>' + '</tr>' + theHTML; x--; } } theHTML = '<table id="mytable" cellspacing="0">' + '<tr>' + '<th scope="col" abbr="Configurations" class="nobg">Part Number</th>' + '<th scope="col" abbr="Dual 1.8">Msrp Price</th>' + '<th scope="col" abbr="Dual 2">blahs Price</th>' + '<th scope="col" abbr="Dual 2.5">Low Price</th>' + '</tr>' + theHTML + '</table>'; $('#example').append(theHTML); } </script> <div id="example"> </div> The problem being that the $('#example').append(theHTML); never executes (or shows on the page). I think its because the string is soooooo long! It has over 7,000 items in the array so im not sure if thats the reason or if its something else? Any help would be great! Thanks! David

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  • Javascript code semantics

    - by Mohammad
    if(myVar = img.parent('a').length > 0){ var Y = 1; }else{ var Y = 2; } When I run this code myVar (being announced for the first time) takes the value of img.parent('a').length > 0 and becomes either false or true depending on the case. First Question: Is this a correct way of defining myVar? Second Question: Am I defining Y for the second time? Is my second 'var' excess? i.e. should i just write Y = 2;

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  • refreshing javascript by renaming src attribute

    - by Eric Fortis
    I want to refresh the output of the script below. Is this json? Do I need to add a crossdomain policy in my site? <div id="nowplaying"> <script src="http://s4.total-streaming.com/xml.php?station=1269&get=js"></script> </div> Edit: This is what I'm trying based on @alexn advise, but still doesn't refresh. <div id="nowplaying"> <script id="nowplaying-script" src="http://s4.total-streaming.com/xml.php?station=1269&get=js"></script> <script> setInterval(function () { $('#nowplaying-script').attr('src', 'http://s4.total-streaming.com/xml.php?station=1269&get=js'); }, 1000); </script> </div> Note Firebug: Resource interpreted as script but transferred with MIME type text/html. xml.php:-1

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  • Firefox, prevent rendering between javascript statements.

    - by Erik
    I'm trying to create some kind of zoom around the mouse cursor feature on my website which ultimately runs these two lines (+ the same for height/scrollTop). canvas.style.width = someValue; canvas.parentNode.scrollLeft = someOtherValue; The problem is that in firefox(3.6) the page is re-rendered directly after the first row has been executed and since the view is depending on both values this means that every time i recalculate the view firefox will will render an invalid view before the correct one, in other words creating flicker. I've tried swapping the two rows but get the same problem. In chrome, opera and IE this doesn't happen. Both lines are executed before any rendering is done. Is there any way to lock the rendering manually, maybe something like this? document.disableRendering(); //fantasy function canvas.style.width = someValue; canvas.parentNode.scrollLeft = someOtherValue; document.enableRendering(); //fantasy function

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  • convert htmlelement to string for comparison javascript

    - by Jamex
    Hi, I am using a function that obtains a target element id at onclick. Example, if I click on the text element that has the id of 'help'. var click = (e && e.target) || (event && event.srcElement); The var click would contain the ref to the id of "help". I want to compare the var click to the string 'help' using the if statement below. if (click == 'about') {do something} The comparison does not work because the var click is not a string. When I use the alert(click) to debug, it shows click as "object HTMLElement". How would you compare whether the id 'help' is obtained from var click? I could write out something like if (click == document.getElementById('help')) {do something} but that would make a long statement. also if the var click is document.getElementById('help'), how would you make a new var "show" as document.getElementById('showhelp') basically, I want to use the same function to generate dynamic responses to each element that was clicked on, and not having to create a separate function for each element.

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  • javascript and extJs - scope question

    - by ben
    Hi guys, I got a little scope related problem with some js code, maybe somebody can explain to me what I'm making wrong: I'm using extJs and got this snippet: Ext.onReady(function(){ // Form for filter selection var formFilter = new Ext.FormPanel({ // ... items: [ cbGroup = new Ext.form.ComboBox({ fieldLabel: 'Group', store: dsGroups, displayField: 'name', valueField: 'number', emptyText : '- Please choose a group -', listeners:{ 'select': function() { alert(cbGroup.selectedIndex +' '+this.selectedIndex); } } }) ] }); }); The problem: When I access the combobox over 'this' within the listener function, I get the correct result for the selectIndex property. When I access the combobox over it's var name, I allways get the result '-1'. Thank a lot for your help!

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  • What JavaScript table widgets you can recommend? [2]

    - by sdespolit
    As so far i've "found" Yahoo UI library and it fully conforms to my requirements. Also there is jqGrid that i'm using right now. If there are any alternatives? UPDATE: Please suggest libraries and don't seek for matching all the requirements listed below. [i'll check it for myself] My reqs are: rows adding, deletinig rows reoder (optionally with drag and drop) rows selection inline editing json data over xhr (optional) simple integration with backbone.js disclaimer: there was almost the same question 2 years ago

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  • javascript date validation

    - by Bharanikumar
    Assume in my text box user enter like 18-06-2010 , Validation RULE if date is greater then current date then program should through the validation error like , PELASE ENTER PAST OR CURRENT DATE, DONT CHOOSE FUTURE DATE , Thanks

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  • Doesn't JavaScript support closures with local variables?

    - by qollin
    I am very puzzled about this code: var closures = []; function create() { for (var i = 0; i < 5; i++) { closures[i] = function() { alert("i = " + i); }; } } function run() { for (var i = 0; i < 5; i++) { closures[i](); } } create(); run(); From my understanding it should print 0,1,2,3,4 (isn't this the concept of closures?). Instead it prints 5,5,5,5,5. I tried Rhino and Firefox. Could someone explain this behavior to me? Thx in advance.

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  • Accessing a JavaScript object property names with a "-" in it

    - by Anil kumar
    I have a requirement to read JSON data in my application. Problem is that the JSON data that I am getting from the service includes "-" and when I am trying to read it, I am getting "Uncaught ReferenceError: person is not defined ". e.g. I have below JSON object- var JSONObject ={ "name-person":"John Johnson", "street":"Oslo West 16", "age":33, "phone":"555 1234567"}; when I am writing below console log statement I am getting "Uncaught ReferenceError: person is not defined " error console.log(JSONObject.name-person); Can someone please help me how to read such data which includes "-" in it? I do not have control on the service and the DB so to modify source data is not in my hand.

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  • Where can I find a proper JavaScript beautifier

    - by Ernelli
    I have used http://jsbeautifier.org/ successfully using Rhino and ant, but the problem is that it is not deterministic. If you run the beautifier twice on a file the result is different from each time, e.g. each pass inserts additional array intendation on some lines. I have spent a lot of time debugging the code in beautify.js and have made some workarounds for comment handling, but the array indentation bug is annoying. Is there a correct and properly working JS code formatter anywhere that can be used as part of a source code indentation verification system? EDIT I have now tested with preserve-array-formating disabled, and it seems that it solves the problem. Too bad, since preserve-array-formating is quite useful with large array constructs.

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  • javascript: getting two sibling windows communicate

    - by romuwild
    i have 2 windows: window A and window B. -window A and window B have same domain -window A and window B doesn't have any parent window. first question: -is it possible for window A to get a reference of window B? second question: -what is the most elegant way to make window A notify something to window B? (modern browser supporting HTML5 restriction is not a problem) 2 ways i am aware of doing this: -messaging by server: where window B regulary asks the server if window A has notified something -messaging by local data (HTML5): when window A wants to notify something it changes the local data, window B regulary checks the local data for any change. but the 2 ways are not so elegant. for example it would be nice to get an reference of window B and using window.postMessage() (HTML5) ultimate goal is to make something like facebook where if you open 4 facebook tabs, and chat in one tab, the chat is actualized on every facebook tab, which is neat! thanks folks!

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  • performing a javascript event without triggering that event handler

    - by bento
    In my latest code, I have an event handler for a focus on a textarea. When the user clicks on the textarea, that event-handler is triggered which sets some other DOM states based on the selected textarea. However, elsewhere in my program I want to programmatically set the focus of the textarea without triggering that event handler. I know Backbone, for instance, has a way to silently perform an action. My only pseudo-solution is to temporarily set a variable: var silence = true; And then, in my event handler, only perform the logic if silence is false. The handler is still triggered, but the logic doesn't run. Does anyone else know of better strategies for this?

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  • Javascript callback function does not work in IE8!

    - by Abhishek
    I have a callback function in my open social application which fetches remote date. This works perfect on Crome and Mozila browers but not in IE8. Following is the example for the same, help will be appriciated: This funcation: gadgets.io.makeRequest(url, response, params) makes the callback call and following function process the responce: function response(obj) { var str = obj.text; var offerDtlPg = str.substr(0, str.length); document.getElementById('pplOfrDetls').innerHTML = offerDtlPg; };

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  • Download a php-linked file in JavaScript

    - by fonix232
    I have a big problem. I've made a simple Google Chrome plugin (based on the old Youtube Video Downloader) but I have some problems with it. The first problem is that it won't pop up a new save window on click, but opens a new page with the video in the default Chrome player. The second is, that when the user clicks right click-save, they won't get the video name but a standardized name. Is there any way to make a file save dialog with a specified file save name?

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  • jQuery/javascript events - prototype event handler

    - by Brian M. Hunt
    The following code doesn't work as I intuitively expect it to: function MyObject(input) { input.change(this._foo); this.X = undefined; } MyObject.prototype._foo = function() { alert("This code is never called"); // but if it did this.X = true; } var test_input = $("input#xyz"); // a random, existing input var m = MyObject(test_input); // attach handler (or try to) test_input.change(); // trigger event alert(m.X); // undefined I'd expect that _foo() would be called (and, if that ever happens, that the this variable in _foo() would be an instantiation of MyObject. Does anyone know why this doesn't work, and of any alternative pattern for passing an object to an event handler? Thank you for reading. Brian

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  • Modifying CSS class property values on the fly with JavaScript / jQuery

    - by JPN
    all. I've run into a unique situation that I have so far been unable to find a solution for: dynamically assigning a value to a CSS style. I know how to use jQuery to assign width, height, etc. to an element, but what I'm trying to do is actually change the value defined in the stylesheet so that the dynamically-created value can be assigned to multiple elements. What I'm building is a slideshow of images that occupy the full viewport, recalculating the image's width, height, and left properties on resize so that the image is always centered, favors width over height, except when the viewport is taller than it is wide (resizing does not reload the page, just fires a function to resize the image). I have successfully been able to get it to work on one image, and now I'm trying to determine the best way to assign those property values to all images in the slideshow without having to specify those three things individually for every image. Can the values of properties in a class be modified on the fly? I'm sure the answer is out there, I'm probably just not using the correct terminology in my searches. Hope I did a good job of describing the problem. TIA.

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