Checking to see if an object is the same in JavaScript
3526
How to determine equality for two JavaScript objects?
28673
How to list the properties of a JavaScript object?
26859
Comparing object properties in c#
113905
How can I check whether a variable is defined in JavaScript?
43713
How can I test if two jQuery wrapped DOM elements are the same?
137384
obj.length === +obj.length in javascript
14151
Checking for duplicates in a vector
137090
Check if a Class Object is subclass of another Class Object in Java
126006
How to find out if an Object is a collection or single value?
99147
Does JSON syntax allow duplicate keys in an object?
12242
How does string equality work in JavaScript?
14782
Determining if an Object is of primitive type
108528
How to compare functions?
126196
How to check if an object is an array?
116298
How to iterate over a JavaScript object?
10593
How to test whether something is identically NaN?
127819
How to check whether an object is a date?