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...
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(...
Why does the following work? <something>.stop().animate( { 'top' : 10 }, 10 ); Whereas this doesn't work: var thetop = 'top'; <something>.stop().animate( { thetop : 10 }, 10 ); To make it even clearer:...
Is there any way to select/manipulate CSS pseudo-elements such as ::before and ::after (and the old version with one semi-colon) using jQuery? For example, my stylesheet has the following rule: .span::after{ content:'foo' } How can I ch...
Is there a solid way to detect whether or not a user is using a mobile device in jQuery? Something similar to the CSS @media attribute? I would like to run a different script if the browser is on a handheld device. The jQuery $.browser function is...
I have a data structure like this : var someObject = { 'part1' : { 'name': 'Part 1', 'size': '20', 'qty' : '50' }, 'part2' : { 'name...
This question already has an answer here: Event binding on dynamically created elements? 23 answers Suppose I have some jQuery code tha...
I'm loading elements via AJAX. Some of them are only visible if you scroll down the page. Is there any way I can know if an element is now in the visible part of the page?...
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