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2025-03-30 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article introduces the knowledge of "what are the new Css selectors and pseudo classes in HTML5?" in the actual case operation process, many people will encounter such a dilemma, and then let the editor lead you to learn how to deal with these situations! I hope you can read it carefully and be able to achieve something!
Selector
P [name ^ = "my"] {font-size:14px}
Selector ^ = rules apply to all name attributes that start with "my"
Element label
P [name$= "my"] {font-size:14px}
Selector $= rules apply to all name attributes that end with "my"
Element label
P [name*= "my"] {font-size:14px}
Selector $= the rule applies to all name properties that contain the end of "my"
On element
Selector >, +, ~
Selector > indicates that the affected element is a child of the first element.
Selector + this selector refers to the element immediately after the element, and the two elements must have the same parent.
The selector ~ is similar to +, but the affected element does not necessarily follow the first element.
Add ":" between pseudo-class and reference element name
Example: myclass:nth-child (2)
The second element in the myclass element
Keywords "odd", "even"
Myclass:nth-child (odd): affects the odd index position of its parent element
Myclass:nth-child (even): affects the even-numbered index position of its parent element
Copy the code
The code is as follows:
.test:nth-child (odd)
{
Color:Blue
}
.test:nth-child (even)
{
Color: Red
}
.test:nth-child (2)
{
Color: Green
}
one
two
one
two
one
two
The effect is as follows:
one
two
one
two
one
two
Negative pseudo-class
: not (p) {color:red}
Except
All elements except the element are red
This is the end of the content of "what are the new Css selectors and pseudo-classes added by HTML5". Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!
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