Suppose I'm familiar with developing client-side applications in jQuery, but now I'd like to start using AngularJS. Can you describe the paradigm shift that is necessary? Here are a few questions that might help you frame an answer:   How d...
When I want to prevent other event handlers from executing after a certain event is fired, I can use one of two techniques. I'll use jQuery in the examples, but this applies to plain-JS as well:  1. event.preventDefault()  $('a').click(...
I have a data structure like this :  var someObject = {     'part1' : {         'name': 'Part 1',         'size': '20',         'qty' : '50'     },     'part2' : {         'name...
I would like to manipulate the HTML inside an iframe using jQuery.  I thought I'd be able to do this by setting the context of the jQuery function to be the document of the iframe, something like:  $(function(){ //document ready     $('some...
I want to be able to preview a file (image) before it is uploaded.  The preview action should be executed all in the browser without using Ajax to upload the image.  How can I do this?...
Essentially I want to have a script execute when the contents of a DIV change. Since the scripts are separate (content script in the Chrome extension & webpage script), I need a way simply observe changes in DOM state. I could set up polling bu...
I'd like to do something like this to tick a checkbox using jQuery:  $(".myCheckBox").checked(true);   or   $(".myCheckBox").selected(true);   Does such a thing exist?...
I have a simple jquery click event  <script type="text/javascript">     $(function() {         $('#post').click(function() {             alert("test");          });     }); </script>   and a jquery reference defi...
I'm using $.post() to call a servlet using Ajax and then using the resulting HTML fragment to replace a div element in the user's current page. However, if the session times out, the server sends a redirect directive to send the user to the...
I have a form with name orderproductForm and an undefined number of inputs.  I want to do some kind of jQuery.get or ajax or anything like that that would call a page through Ajax, and send along all the inputs of the form orderproductForm.  I supp...

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