class attribute html code example

Example 1: class html

<p class="ThisIsAClassName">HI</p>

Example 2: css class attribute

<h1 class="Class">Content</h1>
<h1 id="id">Content</h1>
Css: 
.class
#id

Example 3: html create class

<h1 class="write a name">H1 content</h1>

Example 4: html classes

<p class="ClassExample">ClassExample!!</p>