HTML Code
<html>
<!--head section-->
<head>
<title>Official Website Teach Coders</title>
<meta name="description" content="Teach Coders" />
<meta name="keywords" content="Teach Coders" />
</head>
<body>
<button onclick="back_func()">Back</button>
<button onclick="next_func()">Next</button>
</body>
</html>
Javascript Code
<script>
function back_func(){
history.go(-1)
}
function next_func(){
history.go(1)
}
</script>