Swapping numbers using an Array (without third variable) | JavaScript

Published: 19 June 2017
on channel: Codingflag

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swapping of two numbers in javascript without third variable.

var a = 10;
var b = 20;
document.write(""Before Swapping");
document.write(""a = "+a);
document.write(""b = "+b);

b = [a,a=b][0];

document.write(""After Swapping");
document.write(""a = "+a);
document.write(""b = "+b);

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