get class of element jquery code example

Example 1: jquery get class name

//jQuery get class name of element 
var className=$('#myElementID').attr('class');

Example 2: jquery: get class list using element id

$('#elementID').prop('classList').add('yourClassName')
$('#elementID').prop('classList').remove('yourClassName')

Example 3: how to get class name in jquery

var className = $('#sidebar').attr('class');

Example 4: javascript get all instances of a class

MyClass.allInstances = [];
MyClass.allInstances.push(this);
//However, you need some way to figure out when to remove instances from this array, or you'll leak memory.