<body>
<div style= 'width: 50px; height: 50px; background-color: blue;' onclick ="document.body.innerHTML+=('<br> click' + '</br>'); timer(this); "></div>
<script type="text/javascript">
var firststart = 1;
var i = 0;
var target;
function timer(arg) {
if(arg) {target = arg};
target.innerHTML = i++;
if (arg) {
document.body.innerHTML+=(arg)
document.body.innerHTML+= '<span style="color: red">' +(!arg ) +'</span> ';
}
document.body.innerHTML+= i + " |";
setTimeout(timer, 333);
} timer('');
</script>
</body>