A '$' in a variable means nothing special to the interpreter, much like an underscore. From what I've seen, many people using jQuery (which is what your example code looks like to me) tend to prefix …

Jan 21, 2021 · When inside a jQuery method’s anonymous callback function, this is a reference to the current DOM element. $ (this) turns this into a jQuery object and exposes jQuery’s methods. A …

Jul 10, 2009 · jquery (E) solution is quite-fast on big tables jquery (E) and querySelectorAll (H) solutions are slowest for small tables getElementByName (G) and querySelectorAll (H) solutions are quite …

Sep 12, 2009 · $input.disabled = true; or $input.disabled = "disabled"; Which is the standard way? And, conversely, how do you enable a disabled input?

Sep 9, 2013 · Jquery.ajax does not encode POST data for you automatically the way that it does for GET data. Jquery expects your data to be pre-formated to append to the request body to be sent …

May 14, 2010 · How can I get a checkbox's value in jQuery?

Oct 7, 2008 · How do I toggle the visibility of an element using .hide(), .show(), or .toggle()? How do I test if an element is visible or hidden?

Oct 3, 2013 · jQuery: Uncaught Error: Syntax error, unrecognized expression Asked 12 years, 1 month ago Modified 2 years, 7 months ago Viewed 292k times

Oct 29, 2009 · How can I get the selected text (not the selected value) from a drop-down list in jQuery?

Jun 3, 2015 · Learn how to integrate jQuery with Angular effectively, including tips and best practices for seamless implementation in your projects.