What is the method for eliminating <ol> elements that have a particular number of <

As a beginner in the world of html and css, I am reaching out for some assistance. My question is regarding how to remove the ol tags that contain 3 li elements without any class or id.

Here is an example:

<div class="text">
    <ol>
        <li>1</li>
        <li>2</li>
        <li>3</li>
    </ol>

    <ol>
        <li>1</li>
        <li>2</li>
    </ol>
</div>

The desired outcome would be:

<div class="text">
    <ol>
        <li>1</li>
        <li>2</li>
    </ol>
</div>

Your help is greatly appreciated!

jqueryhtmlcss

Answer №1

If you're looking to narrow down your selection, the filter() jQuery method can be quite useful.

$('.text ol').filter(function() {

return $(this).children('li').length===3

}).remove();


$('.text ol').filter(function() {

return $(this).children().length===3

}).remove();
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="text">
    <ol>
        <li>111</li>
        <li>2222</li>
        <li>3333</li>
    </ol>

    <ol>
        <li>1</li>
        <li>2</li>
    </ol>
   <ol>
        <li>1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
    </ol>   
    
</div>

Answer №2

To remove the ol tag that is the first child within the div, you can use the first-child selector in CSS.

.text ol:first-child {
    display: none;
}

If there are multiple ol tags or their positions vary, using CSS won't be enough and you'll need to utilize JavaScript.

.text ol:first-child {
  display: none;
  }
<div class="text">
    <ol>
        <li>1</li>
        <li>2</li>
        <li>3</li>
    </ol>

    <ol>
        <li>1</li>
        <li>2</li>
    </ol>
</div>

Answer №3

I have created a solution on CodePen where any ordered list (ol) containing exactly 3 list items (li) will be removed from the DOM. You can view the solution here

Below is the code snippet that accomplishes this task:

jQuery.each($('.text').find('ol'), function(index, element){
  if($(element).find('li').length === 3)
    {
      element.remove();
    }
});

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