Checking if object is a DOM-element
132096
How do you check if a JavaScript Object is a DOM Object?
42944
How to loop through a plain JavaScript object with the objects as members?
89762
How can I determine the type of an HTML element in JavaScript?
116875
jQuery Validation plugin: how to check if an element is valid?
139213
Reliable way to get the "ancestor" of an object with a specific classname, using jQuery
14782
Determining if an Object is of primitive type
117022
How to get class object's name as a string in Javascript?
148248
Check if object is Class type
71592
Understanding javascript DOM core ideas: nodeList vs HTMLElement objects
19356
How to get innerHTML of DOMNode?
34109
Detect changes in the DOM
43713
How can I test if two jQuery wrapped DOM elements are the same?
83782
How to check a not-defined variable in JavaScript
73855
How to get a subset of a javascript object's properties
134205
pure javascript to check if something has hover (without setting on mouseover/out)
61080
How can I add a class to a DOM element in JavaScript?
27583
Determine if object is integer