ordered list in html mdn code example
Example: ordered list html mdn
<ol>
<li>first item</li>
<li>second item <!-- closing </li> tag not here! -->
<ol>
<li>second item first subitem</li>
<li>second item second subitem</li>
<li>second item third subitem</li>
</ol>
</li> <!-- Here's the closing </li> tag -->
<li>third item</li>
</ol>