how to program a button to jump to a specific part of the page code example

Example 1: html a link to section on page

<!--1. create link tag with href containing "[#][section to direct] with name-->
<a href = #about-section>About</a>

<!--2. create identifier for the section you would like to navigate to with "id" = name-->
<section id = "about-section"> <h1>This is the about section</h1> </section>

Example 2: link that scrolls down the page

<a href="#google"></a>

<div id="google"></div>