I have the following code:  // First we define our gift class, which has 2 properties: // a Title and a Price. // We use knockout js validation to ensure that the values input are suitable/  function Gift(item) {     var self = this;     self.Title =...
I'm working on a project that need to allow users to add/remove tags on images.  There is grid view, single view and mixed view.  The grid view displays image thumbs in a grid,  Single view displays images one by one and the mixed view has the gr...
What I want to do is that: a webpage with continuously updating content. (In my case is updating every 2s) New content is appended to the old one instead of overwriting.  Here is the code I have:  var msg_list = new Array(     "<message>Hel...
I select an element of the page:  $mainSection = $('#main');   then I add more Elements via AJAX into the <div id="main"></div> element. Next time I call $mainSection, the newly added elements are also in it. But I don'...
<canvas id="ctx" width="500" height="500" style="border:1px solid #000000;">   <script type="text/javascript">  window.onload = function() { var ctx = document.getElementById("ctx").getConte...
I was wondering how to reproduce the feature which is visible even on the StackOverflow page: when a user edits an answer for other users appear: "an edit has been made to this post; click to load". This is the functionality I am referring to...
How might an old (4+ years) cordova setup load images and documents for display to a user?  Moving to the current Cordova has broken the display of images and documents, but I can't see where I should be looking to fix this. There's a javascr...
I've been sitting here for the past 3 hours thinking of and googling about a way to get a rectangle (div element) moving back and forth (with javascript) on the press of a button. It was moving, but then I was trying to monitor a collision and it...
this is my first post.. my question probably is very simple but i cannot find the right way..!  I have a php page with a query selection from a database to show many records, for each record i've put form with some fields need to be updated and a...
I'm tired of looping through an object literal to get its length for one reason or another. I want to define a length property onto Object.prototype, I can set the initial length, but I don't know how to update it when the object is modified?...

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