JSFiddle - React, Tailwind, and code Playground

by AJIEKCEU

HTML

<input type="number" id="input" />
<input id="stop" type="button" value="stop"/>
<input id="start" type="button" value="start"/>

JavaScript

var timer = null, 
    interval = 1000,
    value = 0;

$("#start").click(function() {
  if (timer !== null) return;
  timer = setInterval(function () {
      value = value+1;
      $("#input").val(value);
  }, interval); 
});
timer = setInterval(function () {
      value = value+1;
      $("#input").val(value);
  }, interval); 

$("#stop").click(function() {
  clearInterval(timer);
  timer = null
});