Simple function to format seconds into human-readable string

formatTime.js

// Requires prototype found at https://gist.github.com/ItzArty/96e7439a63ac3800335ecb72a63d255c

function formatTime( seconds, minutes, hours, forceHours ) {

	if( !seconds ) seconds = 0;
	if( !minutes ) minutes = 0;
	if( !hours ) hours = 0;

	if( !forceHours ) forceHours = false;

	if( seconds / 60 >= 1 ) {

		var add = Math.floor( seconds / 60 );

		minutes += add;

		seconds = seconds - ( 60 * add );

	}

	if( minutes / 60 >= 1 ) {

		var add = Math.floor( minutes / 60 );

		hours += add;

		minutes = minutes - ( 60 * add );

	}

	var formatted = '';

	if( hours > 0 || forceHours == true ) {

		formatted += hours + ':' + minutes.placeFormat( 2 );

	}else{

		formatted += minutes;

	}

	formatted += ':' + Math.round( seconds ).placeFormat( 2 );

	return formatted;

}