Pros and cons of this.myVar vs. var myVar
317
What is the scope of variables in JavaScript?
116521
JavaScript variable definition: Commas vs. Semicolons
99447
What is the difference between String? and String! (two ways of creating an optional variable)?
1638
var functionName = function() {} vs function functionName() {}
1993
Javascript Closures and 'this'
5618
$VAR vs ${VAR} and to quote or not to quote
54671
assignment in javascript and the var keyword
146
Use of 'prototype' vs. 'this' in JavaScript?
15642
Difference between self.var and simply var
47676
What does "var FOO = FOO || {}" (assign a variable or an empty object to that variable) mean in Javascript?
67684
Does moving variable declaration outside of a loop actually increase performance?
121668
How to avoid global variables in JavaScript?
89046
Difference between "var", "let" and "const"
39222
Is there a difference between return myVar vs. return (myVar)?
114179
If $Var(X)=0$ then is $X$ a constant?
125047
When is it better to use String.Format vs string concatenation?
110201
Difference between var = {} and var = []?