Why people follow different approach to define function in javascript
1638
var functionName = function() {} vs function functionName() {}
114735
F# Functions vs. Values
17960
Is there any difference between mapping and function?
131096
Defining methods via prototype vs using this in the constructor - really a performance difference?
147573
Define functions in structs
103406
(...()) vs. (...)() in javascript closures
53358
What does it mean to extend a function?
55490
Codomains and the definition of a function
156536
Defining functions as derivatives
99859
What is the difference between def func(var) and def func=(var)?
83428
Why set a property both on the function and its prototype?
33122
When should I write the keyword 'inline' for a function/method?
13705
What techniques can be used to define a class in JavaScript, and what are their trade-offs?
41070
difference between "function foo() {}" and "foo() {}"
87031
How to define a function of non-symbol
82116
Should I be using object literals or constructor functions?
156950
Why do some people use $+\infty$ instead of $\infty$?