What does the \' \' symbol do in CSS sibling selectors?-CSS Tutorial-php.cn

What does the \' \' symbol do in CSS sibling selectors?

Barbara Streisand

Release： 2024-10-28 21:33:30

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What does the ' ' symbol do in CSS sibling selectors?

The Meaning of ' ' in CSS Sibling Selectors

In CSS, the ' ' symbol represents the adjacent sibling combinator. It selects an element that appears immediately after another specific element. This selector is useful for targeting specific elements in a specific order.

Example:

Consider the following CSS rule:

h2 + p { 
  font-size: 1.4em; 
  font-weight: bold;
  color: #777; 
}

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The rule applies the specified styles to any

element that directly follows an

element. It would not affect

elements that occur after any other elements, such as

or tags.

Illustration:

<code class="html"><h2>Headline!</h2>
<p>The first paragraph.</p>  <!-- Selected -->
<p>The second paragraph.</p> <!-- Not selected -->

<h2>Another headline!</h2>
<blockquote/>
    <p>A quotation.</p>      <!-- Not selected -->
</blockquote/></code>

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Selected (1): The first
element comes immediately after an
element.
Not selected (2): The second
element does not directly follow an
element; instead, it follows a
element.
Not selected (3): The
element within the blockquote does not have an
element immediately preceding it.

Note:

The adjacent sibling combinator is distinct from the general sibling combinator '~', which selects elements that follow another element anywhere within the same parent.

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What does the \' \' symbol do in CSS sibling selectors?

element.

element; instead, it follows a element.

element immediately preceding it.

element; instead, it follows a
element.