Calculate Time taken by a Program to Execute in JavaScript

performance.js

/**
 * Calculate Time taken by a Program to Execute in JavaScript
 * @author JSX Clan <jsxclan.dev@gmail.com>
 */

// Starting time
const start = performance.now();
// Some codes
for (let i = 1; i <= 10; i++) {
	console.log(i)
}
// Ending time
const end = performance.now();

console.log(`Runtime of the program is ${end - start} milliseconds.`);

// Output: Runtime of the program is 3.300000000745058 milliseconds.