<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("button").click(function()
{
$("div").toggle();
});
});
</script>
</head>
<body>
<button>Toggle</button>
<div>This is a div content.</div>
<div>This is a div content.</div>
<div>This is a div content.</div>
</body>
</html>