swap in javascript
var first = 5;
var second = 7;
[first, second] = [second, first];
console.log(first, second);
//answer - 7 5swap in javascript
var first = 5;
var second = 7;
[first, second] = [second, first];
console.log(first, second);
//answer - 7 5how do you swap the vaRIables js
let a = "red";
let b = "blue";
let c = a; // red
a = b; //over-rides to blue
b = c;
console.log(a);
console.log(b);Javascript swap old and new method
//old method
var a = 1;
var b = 2;
var temp = a;
a = b;
b = temp;
console.log(a, b)
//expected output: 2 1
//new method(using destructuring method for swap)
var x = 10;
var y = 20;
[y, x] = [x, y];
console.log(y, x);
//expected output: y = 10 and x = 20Copyright © 2021 Codeinu
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