How to check htmlElement object exists in DOM
4521
Is there an "exists" function for jQuery?
70566
How do I check if an object has a key in JavaScript?
121066
How to check if list item already exist when adding it with
131554
jQuery determining if element exists on page
91447
Check if a method exists
6288
How do I check if an object has a specific property in JavaScript?
101123
jQuery equivalent to "getElementsByName"
116875
jQuery Validation plugin: how to check if an element is valid?
148755
How to check if string contents have any HTML in it?
110584
"Element is no longer attached to the DOM” StaleElementReferenceException when selecting HTML table row
4866
How to retrieve the display property of a DOM element?
42195
How do I get particular textNode value of a DOM with Selenium
19356
How to get innerHTML of DOMNode?
85970
Test if element is present using Selenium WebDriver?
88353
Using Chrome, how to find to which events are bound to an element
85779
How to return outer html of DOMDocument?
5451
How do I check if an element is hidden in jQuery?