how to swap variables 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];
Example 4: swap function javascript
function swap(x, y) {
return [y, x];
}
console.log(swap(2, 3));
Example 5: swap function javascript
let a = 1;
let b = 2;
a = a + b;b = a - b;a = a - b;
a; // => 2
b; // => 1