swapping of two numbers in javascript code example

Example 1: swap two variables javascript

var a = 1,
    b = 2;
b = [a, a = b][0];

Example 2: javascript swap two variables

[a, b] = [b, a];

Example 3: javascript swap variables

var a = 5;
var b = 3;
[a, b] = [b, a];