How to use an exist property in object
33243
Self-references in object literals / initializers
6288
How do I check if an object has a specific property in JavaScript?
155910
How do I iterate over the properties of an anonymous object in C#?
98927
How does CoffeeScript's existential operator work?
34287
How to populate owner name instead of id from a child object
71238
Check if a property exists in a class
61206
How to set object property (of object property of..) given its string name in JavaScript?
50695
PHP MySql - Check if value exists
90956
Check if element exists in jQuery
116298
How to iterate over a JavaScript object?
39945
Is it possible to save a reference to a not yet existing elment in JavaScript?
155520
Why does $('#id') return true if id doesn't exist?
49796
How to access object properties with names like integers?
74109
How to verify in Javascript Object Model if a List Exists
89549
Can anyone explain this 'variable does not exist error'?
39456
Using a string as name to set property values
4016
How do optional Parameters in Let/Get Properties work?