how to remove dot in li tag code example

Example 1: how to remove the dots from ul

ul {
    list-style: none;
}

Example 2: how to remove dot from li

<ul style="list-style: none;">  
 <li>List item with no bullet</li>
 <li>Second item</li>
</ul>

Example 3: remove dots from ul li

ul {
    list-style-type: none;
}

Example 4: how to remove ul dots

ul.ba {
    list-style-type: none;
}