Convert seconds to HH:MM:SS

convert-seconds-to-hh-mm-ss.markdown

Convert seconds to HH:MM:SS

A Pen by hosein shurabi on CodePen.

License.

script.js

const dateDiff = (fromdate, todate) =>  {

    const diff = todate - fromdate;

    const secondes = diff/1000 ;
  
    const hour = (secondes / 3600)
    const min =  (secondes % 3600)/60;
    const sec =  (secondes % 3600 % 60);

    const S = Math.abs(Math.floor( sec )) + '' ;
    const M = Math.abs(Math.floor( min )) + ':' ;
    const H = Math.abs(Math.floor( hour)) + ':' ;

    return H+M+S;
}

//Set the two dates
const old  = new Date(2020, 0, 15);
const today= new Date();
console.log( dateDiff(old, today));