How to test the name of a object property?
6288
How do I check if an object has a specific property in JavaScript?
86808
How to determine if a string is a valid variable name?
83991
Access object child properties using a dot notation string
115418
Are functions valid keys for javascript object properties?
21050
Test for existence of nested JavaScript object key
21725
How to loop through all the properties of a class?
123115
How do you find out the type of an object (in Swift)?
24894
Is there a way to instantiate objects from a string holding their class name?
601
How do I test for an empty JavaScript object?
112679
Why can I add named properties to an array as if it were an object?
74576
How to know if an object has an attribute in Python
132361
Find references to the object in runtime
49124
How do I access this object property with an illegal name?
74109
How to verify in Javascript Object Model if a List Exists
20895
How do I enumerate the properties of a JavaScript object?
897
How to test for an hold item name in Minecraft?
62472
How to get the Runtime-Type of an Object dynamically (for Primitive Data Types and SObjects)