Method return undefined
22390
How does "this" keyword work within a function?
23697
Returning method object from inside block
157885
How to wait till callback function returns?
82575
How do I get Mathematica to return a function call unevaluated?
2053
How do I return the response from an asynchronous call?
32989
Is there a symbol to mean 'this is undefined'?
27606
Detecting an undefined object property
39510
JavaScript function that returns result of ajax call
125415
Why is undefined == undefined but NaN != NaN?
50926
setting a variable to get return from call back function using promise
145569
Why does the value returned should be on the same line as the return statement in JavaScript?
9814
Trouble with calling method
2691
How to return multiple objects from a Java method?
31180
How to return value from an asynchronous callback function?
143834
How does Return work?
144673
Why does this JavaScript code print "undefined" on the console?
33281
JavaScript asynchronous return value / assignment with jQuery