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<!DOCTYPE html>
<html>
<head>
<style>
#myDIV {
border: 1px solid black;
}
</style>
</head>
<body>
<div id="myDIV">
<p>I am a p element inside div, and I have a <span id="mySPAN"><b>span</b></span> element inside of me.</p>
</div>
<span id="mySPAN2"><b>span</b></span>
<p>Click the button to find out if the div element contains a span element.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
var span = document.getElementById("mySPAN");
var div = document.getElementById("myDIV").contains(span);
window.alert(div);
}
</script>
</body>
</html>
|
