Can you check the instanceOf an object dynamically?
62472
How to get the Runtime-Type of an Object dynamically (for Primitive Data Types and SObjects)
117169
Looping through all instances of a javascript object
94936
Check if an object implements an interface at runtime with TypeScript
24428
Can you use reflection to find the name of the currently executing method?
101578
How to find each instance of a class in Ruby
94694
Getting an instance name inside class __init__()
108376
Best way to "negate" an instanceof
12848
Is it possible to add dynamically named properties to JavaScript object?
121064
How to get class instances in Ruby?
14782
Determining if an Object is of primitive type
37438
How do I use the CoffeeScript existential operator to check some object properties for undefined?
132096
How do you check if a JavaScript Object is a DOM Object?
157461
Javascript: how to access property whose name is dynamic?
74576
How to know if an object has an attribute in Python
74109
How to verify in Javascript Object Model if a List Exists
91447
Check if a method exists
44439
How do I loop through or enumerate a JavaScript object?