how do you make a link in html code example

Example 1: how to make links in html

<a href="link.html"> text link </a> <!-- link to html -->
<a href="google.com" URL> Google </a> <!-- link to site -->
<a href="link.html"><button> Link </button></a> <!-- Button link -->

Example 2: how do you make a link in html5

<a herf="www.google.com">