add onclick event via js code example

Example 1: javascript onclick get event

<div onclick="doSomething(event,this)"></div>
<script>
     function doSomething(e,el){
         e = e || window.event;
         console.log(e); //will be the event
         console.log(el); //we be the dom element 
     }
</script>

Example 2: how to add onclick to child element created javascript

elemm.onclick = function() { alert('blah'); };