A pure math way to find the number of digits in an integer using Javascript. It works only for positive integers.
let num = 1222;
const len = Math.log(num) * Math.LOG10E + 1 | 0;
console.log('The # of digits: ', len); //The # of digits: 4
A pure math way to find the number of digits in an integer using Javascript. It works only for positive integers.
let num = 1222;
const len = Math.log(num) * Math.LOG10E + 1 | 0;
console.log('The # of digits: ', len); //The # of digits: 4