Searching for a way to target a child element in the DOM using the CSS selectors below:
.parentA .child{
}
.parentB .child{
}
Is there a method to combine these selectors into one? I attempted the following but did not achieve the desired results:
.parentA,.parentB .child{
}
In the world of CSS, there is no room for the word OR. Instead, we have AND, and to achieve a similar effect, we use the comma (,) to separate multiple selectors.
So, when you need to apply the same styles to different selectors, you can list them out with commas like this:
.parentA .child,
.parentB .child {
/* rules here */
}
Each selector will then be targeted individually. This method is much cleaner than writing them out separately as shown below:
.parentA .child {
/* rules here */
}
.parentB .child {
/* rules here */
}
To follow the DRY principle (Don't Repeat Yourself) in CSS, you could utilize SASS or other pre-processors to nest selectors like so:
.parentA, .parentB {
.child {
/* rules here */
}
}
Keep in mind that SASS is a CSS pre-processor that translates into standard CSS during compilation.
Have you given this a shot?:
.elementA > .subelement,
.elementB > .subelement{
}
If you're using plain CSS, you'll find yourself repeating the entire selector like this: .parentA .child, .parentB .child. However, with LESS, Sass, or other preprocessors, you can simplify it to:
.parentA, .parentB {
.child {
color: red;
}
}
This will automatically compile back to the original selector for you, saving you from unnecessary repetition.
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