start & stop / pause setInterval javascript jQuery

by J. Albert Bowden

HTML

<input type="number" id="input" />
<input type="button" onclick="clearInterval(add)" value="stop"/>
<input type="button" onclick="start()" value="start"/>

JavaScript

input = document.getElementById("input");
function start() {
    add = setInterval("input.value++",1000);
}start();