Check if an element with a specific class is within the body
4521
Is there an "exists" function for jQuery?
109016
:nth-child(even/odd) selector with class
118086
CSS3 selector to find the 2nd div of the same class
127714
Find element within another element using explicit wait
89762
How can I determine the type of an HTML element in JavaScript?
150418
jquery does div contain children of a certain class
94400
How to select an element inside "this" in jQuery?
54878
Adding a class to “body”
32582
Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?
33170
How to getElementByClass instead of GetElementById with JavaScript?
61044
jQuery - How to match an element has attribute a or attribute b
5451
How do I check if an element is hidden in jQuery?
145122
find elements with position:attribute
42892
How do I check (at runtime) if one class is a subclass of another?
108926
jQuery hasClass() - check for more than one class
12451
Determine if an HTML element's content overflows
96768
Are class names in CSS selectors case sensitive?