JSFiddle - React, Tailwind, and code Playground

HTML

<div id="timer"></div>
<button>Clear</button>

JavaScript

var $timer = $('#timer'),
    count = 0;

//set the interval
var interval = setInterval(function() {
    $timer.html(count++);
}, 1000);
console.log('the interval is: '+interval);

//clear it
$('button').bind('click', function(e) {
    var found;
    for(i=0; i<10000; i++)
    {
        window.clearInterval(i);
    }
});