JavaScript way to tell if an object is an Array
14704
How to detect if a variable is an array
187
How do I check if an array includes a value in JavaScript?
14782
Determining if an Object is of primitive type
29245
How to check if two arrays are equal with JavaScript?
37773
How do I detect whether a Python variable is a function?
93047
How to check whether a variable is a class or not?
117169
Looping through all instances of a javascript object
117022
How to get class object's name as a string in Javascript?
67428
How do I determine whether an array contains a particular value in Java?
21834
In Python, how do I determine if an object is iterable?
70349
How do I convert an object to an array?
42973
Array a Group of objects?
106414
Classifying whether a collection of objects is a set
64597
How to get a JavaScript object's class?
62924
What's the best way to get a Class object for an array type?
73855
How to get a subset of a javascript object's properties
126006
How to find out if an Object is a collection or single value?