I have a function foo which makes an Ajax request. How can I return the response from foo?   I tried returning the value from the success callback as well as assigning the response to a local variable inside the function and returning that one, but...

I have a bit of code where I am looping through all the select boxes on a page and binding a .hover event to them to do a bit of twiddling with their width on mouse on/off.  This happens on page ready and works just fine.  The problem I have is tha...

What are the possible reasons for document.getElementById, $("#id") or any other DOM method / jQuery selector not finding the elements?  Example problems include:   jQuery silently failing to bind an event handler jQuery "getter" me...

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...

I would like to upload a file asynchronously with jQuery. This is my HTML:  <span>File</span> <input type="file" id="file" name="file" size="10"/> <input id="uploadbutton" type="butto...

So jQuery 1.6 has the new function prop().  $(selector).click(function(){     //instead of:     this.getAttribute('style');     //do i use:     $(this).prop('style');     //or:     $(this).attr('style'); })   or in this case...

How can I redirect the user from one page to another using jQuery or pure JavaScript?...

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 am trying to send data from a form to a database. Here is the form I am using:  <form name="foo" action="form.php" method="POST" id="foo">     <label for="bar">A bar</label>     <input...

Can I use the following jQuery code to perform file upload using POST method of an ajax request ?  $.ajax({     type: "POST",     timeout: 50000,     url: url,     data: dataString,     success: function (data) {         alert('success&...