JSFiddle - React, Tailwind, and code Playground

by QMaster

HTML

<div id="clk">

</div>

JavaScript

rate = 1;
clockstart = 0;

function padzero (n) {
if (n < 10 ) { return "0" + n }
else { return "" + n }

clocktime = Math.max (clockstart + rate*
( time - inPoint ), 0 ); 
  
t = Math.floor( clocktime );
min = Math.floor( ( t%3600 ) / 60 );
sec = Math.floor( t%60 );
min = ":" + padzero ( sec );

document.getElementById("clk").html(clocktime);
}