Check if a div exists with jquery
4521
Is there an "exists" function for jQuery?
52070
jquery show / hide div on click?
126993
refresh div with jquery
703
What is the best way to test for an empty string with jquery-out-of-the-box?
144136
jQuery: Check if image exists
103062
How do I check whether a checkbox is checked in jQuery?
155520
Why does $('#id') return true if id doesn't exist?
80608
JavaScript check if variable exists (is defined/initialized)
115423
How to check null objects in jQuery
154160
How do I write 'if not clicked' or 'if clicked outside element', using Jquery?
128669
How to check whether multiple values exist within an Javascript array
92459
Jquery form check returns true, but need to return false
12896
Checking for existence of a page by title?
157021
Find currently visible div in jquery
61044
jQuery - How to match an element has attribute a or attribute b
146880
Detect if an element is visible with jQuery
62393
jQuery If this image is found on page add this meta tag?