var intervalId = null; r(function(){ console.log('DOM Ready Sept 9!'); intervalId = setInterval(function(){main();},1000); }); function r(f){/in/.test(document.readyState)?setTimeout('r('+f+')',9):f()} function main(){ if (document.getElementById("comp-kh9x6iw6")){ console.log("element comp-kh9x6iw6 FOUND!!!"); //now disable running every second clearInterval(intervalId); //document.getElementById("test").innerHTML = "0055"; document.getElementById("comp-kh9x6iw6").getElementsByTagName("span")[0].innerText="0"; document.getElementById("comp-kh9x7kue").getElementsByTagName("span")[0].innerText="0"; document.getElementById("comp-kh9x7u51").getElementsByTagName("span")[0].innerText="5"; document.getElementById("comp-kh9x7u5g").getElementsByTagName("span")[0].innerText="5"; } else { console.log("element comp-kh9x6iw6 not found"); } }