Get Element by ID
by Shah Danial
HTML
<button id='myid'>
CLICK ME
</button>
<div id="myhtml">
<p>Bla bla blaa blaaa</p>
</div>
JavaScript
document.getElementById("myid").onclick = function(){
//do something after this line
//example 1: alert on click
alert('Working');
// example 2: get inner HTML by ID
alert( document.getElementById("myhtml").innerHTML );
//
}