The CSS only pseudo-classes select elements that are the only child or the only element of a specific type. In this video, learn how to distinguish between the two and how to use them correctly.
- [Instructor] The next topic is the only selectors, … including only child and only of type. … Let's talk about the easy one first. … That is the only child selector. … Just like in real life, … an only child is one without siblings … of that particular type. … So let's go ahead and take a look at an example of this. … We have here in line number eight, … we have a strong tag here that's all by itself. … It is an only child. … Also, if you take a look here in line six, … this strong tag at the end of the sentence … is an only child also. … It is a child of the M tag … which is surrounding that. … So if we go ahead and write a strong colon only child, … we wind up getting both of those things selected. … That's the definition of an only child. … There it is. … Only of type is a little bit different. … So that indicates that there may be several siblings, … but there's only one of this particular type. … So an example of that is here in the aside, … the aside actually has two children, …
Author
Released
5/2/2019- Targeting classes and IDs
- Working with group selectors
- Targeting element attributes
- Targeting links with pseudo-class selectors
- Targeting child elements and empty elements
- Targeting parent, child, and sibling elements
- Best practices for CSS
- The impact of CSS selectors on performance
Skill Level Intermediate
Duration
Views
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Introduction
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1. Review of Basic CSS
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CSS terminology2m 58s
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Groups of selectors1m 52s
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Compound selectors3m 19s
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2. Combinator Selectors
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3. Attribute Selectors
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Simple attribute selectors2m 47s
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4. Pseudo-Classes, Pseudo-Elements, and the Universal Selector
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Understanding :not2m 53s
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:root and :empty4m 27s
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5. Choosing Selectors
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Conclusion
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Video: Understanding only selectors, :only-child, :only-of-type