section change js

<html>
<head>
<style>
#home {
display: block;
}

#one {
display: none;
}
</style>
</head>

<body>
<section id="home">
<button onclick="show('one')">Click</button>
</section>

<section id="one">
<button onclick="show('home')">Back</button>
</section>

<script>
function show(id) {
document.getElementById('home').style.display = "none";
document.getElementById('one').style.display = "none";
document.getElementById(id).style.display = "block";
}
</script>
</body>
</html>