1Using the event.target property together with the element.tagName property to find out which element triggered a specified event:
2
3<body onclick="myFunction(event)">
4<p>Click on any elements in this document to find out which element triggered the onclick event.</p>
5<h1>This is a heading</h1>
6<button>This is a button</button>
7<p id="demo"></p>
8
9<script>
10function myFunction(event) {
11 var x = event.target;
12 document.getElementById("demo").innerHTML = "Triggered by a " + x.tagName + " element";
13}
14</script>