Start of JS.html

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title>Welcome to JavaScript</title>
	<style type="text/css">
		*{
			background-color: lightgreen;
			padding: 15px;
		}
		h1{
			background-color: lightskyblue;
			color: black;
		}
	</style>
</head>
<body>
<h2>What Can JavaScript Do?</h2>

<p id="check">JavaScript can change HTML content.</p>

<button type="button" onclick="document.getElementById('check').innerHTML = 'Hello JavaScript!'">Click Me!</button>
<br><br>
<center>
<h1>About Akhtar Ali</h1>
<p id="iltaf"> Click on the button to see about akhtar ali khan.</p>
<button type="button" onclick="document.getElementById('iltaf').innerHTML='Akhtar ali khan is the student of computer science Study at GIK university pakistan  and the owner of akhtar Private Limited '">Click ka</button>
</center>
</body>
</html>