<!DOCTYPE HTML>
<html>
<head>
<title>
Get the ID of the clicked button
using JavaScript
</title>
</head>
<body style = "text-align:center;">
<h1 style = "color:green;" >
GeeksForGeeks
</h1>
<p id = "GFG_UP" style =
"font-size: 15px; font-weight: bold;">
</p>
<button id="1" onClick="GFG_click(this.id)">
Button1
</button>
<button id="2" onClick="GFG_click(this.id)">
Button2
</button>
<button id="3" onClick="GFG_click(this.id)">
Button3
</button>
<p id = "GFG_DOWN" style =
"color:green; font-size: 20px; font-weight: bold;">
</p>
<script>
var el_up = document.getElementById("GFG_UP");
var el_down = document.getElementById("GFG_DOWN");
el_up.innerHTML = "Click on button to get ID";
function GFG_click(clicked) {
el_down.innerHTML = "ID = "+clicked;
}
</script>
</body>
</html>