I have a javascript string which is about 500K when being sent from the server in UTF-8. How can I tell its size in JavaScript?  I know that JavaScript uses UCS-2, so does that mean 2 bytes per character. However, does it depend on the JavaScript i...
Hi i'm using the following code to get the upload image using File Reader API:  <script type="text/javascript"> var loadImageFile = (function () {     if (window.FileReader) {         var oPreviewImg = null, oFReader = new window.Fi...
I am wondering if its possible to get the size of the content ( not the div ) in javascript/jQuery. So if the box has a height of 200px but there is only one line of text, the content size would be around 12px.  Thanks for all your help...
so suppose that clicking something would lead to a new content being loaded to the screen hence the height of document changes and whereas previously there are no scroll bars, now there actually are scrollbars...  how do I detect something like that...
I'm very new to JavaScript.  My code so far:   $("#Stage").css(   "background-image",   "url(BG.jpg)",   "background-attachment",    "fixed" );   What I want to do is have the background image at a set size...
i want to check if the browser has a secific pixel size. This is my try:  var height = $(".size_fullscreen").height(); var width = $(".size_fullscreen").width(); if (height == 1024 && width == 768) {     alert("please flip...
Does JavaScript optimize the size of variables stored in memory?  For instance, will a variable that has a boolean value take up less space than one that has an integer value?  Basically, will the following array:  var array = new Array(8192); for (v...
I am using the leaflet.heat plugin to plot some heat maps. I have a problem. I want the radius of the points do not change the size in meters when I zoom in/out.  On version 0.0.2, of the circles change in a way the have the same size in pixels, but...
Trying to figure out somekind of logic that will let me distribute elements in a sequenced  order. What size and position should be randomly generated within a given range (for example, element must be within viewport and the size of the element shou...
I try to make a little game but if I start it it says : Uncaught RangeError: Maximum call stack size exceeded"  What's wrong with my code? ;-)  function move(top,left){     y_ball = $('#ball').offset().top - $('#spielfeld').of...

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