revision:
The start attribute specifies the start value of the first list item in an ordered list. The start attribute can be used on the following element: <ol>.
<ol start="value"></ol>
Attribute values: it contains a numeric value which defines the start value of the first list item in an ordered list.
<ol start="50">
<li>Coffee</li>
<li>Tea</li>
<li>Milk</li>
</ol>
<ol type="I" start="50">
<li>Coffee</li>
<li>Tea</li>
<li>Milk</li>
</ol>
Sorting algorithms
<p class="spec">Sorting algorithms</p>
<ol start="7">
<li>Bubble sort</li>
<li>Merge sort</li>
<li>Quick sort</li>
</ol>