Imagine you have a CSS list structured like this:
<ul class="parent">
<li class="child"></li>
</ul>
The child items are generated using an iterator. Is there a way to determine the number of children within the parent element using either CSS or SCSS?
This information would be helpful in dynamically adjusting CSS attributes such as padding based on the nth child.
To determine the number of items in a list, neither CSS nor SASS will provide the answer - you'll need JS for that functionality.
However, with SASS, you have the ability to automatically generate CSS for any desired number of children by using the following code:
@for $i from 1 through 8 {
li:nth-child(#{$i}) {
padding-left: $i * 20px
}
}
Feel free to modify the number 8 to suit your needs (perhaps 10, 100, or even 1000).
For more information, visit this link:
To target specific child elements, utilize the direct children selector > along with nth pattern. Here are a couple of examples:
div:nth-child(2) // selecting every 2nd child
div:nth-child(3n+0) // choosing elements whose index is a multiple of 3
Implement the nth child method detailed in this informative piece
If you assign numbered classes like child1, child2, etc., to the .child elements, you can iterate over them using the following method:
$maxItems: 100;
@for $i from 1 to $maxItems {
.child#{$i} {
//..apply styles to child element, for example:
color: darkorange !important;
}
}
It may not be the most elegant solution since a maximum value needs to be defined and there is some redundant processing, but it appears to get the job done.
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