JSFiddle - React, Tailwind, and code Playground

by Alexander Lashchevsky

JavaScript

let d = '1:0:0';
/* let d = '3'; */

if (~d.indexOf(':')) {
	let a = d.split(':').reverse();
  let res = 0;
  
  d.split(':').reverse().forEach((val, i) => {
  	res += parseInt(val) * Math.pow(60, i);
  });
  
  console.log(res);
} else {
	console.log(d);
}