href на кнопке
<button onclick="window.location.href='/page2'">Continue</button>
STIFLER
<button onclick="window.location.href='/page2'">Continue</button><button><a href='https://google.com' alt='Broken Link'>This is a button</a></button><!-- if you are on Window : -->
<button onclick="window.location.href='page2.html'">
Button
</button>
<!-- if you are on linux or macOS : -->
<button onclick="location.href='page2.html'">
Button
</button><button onclick="location.href='http://www.example.com'" type="button">
www.example.com</button><!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
</head>
<body>
<form>
<input type="button" onclick="window.location.href = 'https://www.w3docs.com';" value="w3docs"/>
</form>
</body>
</html><button class="btn btn-success" onclick="location.href='http://google.com';"> Google</button>
#open link from button