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Example 24:
Write a function expression to swap two numbers
Code
const prompt = require("prompt-sync")();
var SN = (a, b) => [b, a];
let n1 = parseInt(prompt("Enter first number : "));
let n2 = parseInt(prompt("Enter second number : "));
console.log(`Before Swapping : n1 = ${n1} and n2 = ${n2}`);
[n1, n2] = SN(n1, n2);
console.log(`After Swapping : n1 = ${n1} and n2 = ${n2}`);Output
Example 25:
Write an arrow function to swap two numbers
const prompt = require("prompt-sync")();
var SN = function (a, b) {
var temp;
temp = a;
a = b;
b = temp;
return [a, b];
};
let n1 = parseInt(prompt("Enter first number : "));
let n2 = parseInt(prompt("Enter second number : "));
console.log(`Before Swapping : n1 = ${n1} and n2 = ${n2}`);
[n1, n2] = SN(n1, n2);
console.log(`After Swapping : n1 = ${n1} and n2 = ${n2}`);Output
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