1. The <mark> tag is used to highlight text in the page in HTML5, which has semantic significance; 2. Its main purpose is to highlight key content in articles or search results, such as keyword highlighting; 3. Unlike <strong> and <em>, <mark> emphasizes visual cues rather than tone enhancement; 4. You can customize styles through CSS, such as modifying background colors, colors and borders; 5. Abuse should be avoided when using it, and it is only applicable to search matching words, specially pointed out content and key terms.
The role of the <mark></mark> tag in HTML5 is actually quite intuitive: it is used to highlight a piece of text in a page, usually to attract the user's attention. This highlighting is not for the style itself, but has a semantic meaning - telling the browser and auxiliary devices that "this section is worth paying attention to."
` element used for?" /> For example, if you search for a keyword on a web page, the text with a yellow background that appears on the page may be implemented using <mark></mark> .
Used to highlight key content
The most common uses are the parts that need to be emphasized in the article or search results. For example, when you see a text highlighted by a yellow background in a blog, it is likely to be using <mark></mark> .
` element used for?" />For example:
<p>HTML5 introduces new tags, such as <mark><mark></mark>. </mark>
The effect of writing this way is that the word " <mark> " will be highlighted and is suitable for use in tutorial and explanation articles.
` element used for?" />Differences from other text tags
Many people will confuse <mark> and <strong> or <em> . Their differences are in their semantics:
-
<strong>Denotes important content, usually in bold; -
<em>means emphasis, usually italic; - And
<mark>is more like a "visual prompt", telling you that "is worth paying attention here", rather than "intensifying tone".
So, if you just want a certain paragraph to look more eye-catching but don’t particularly emphasize the tone, it is more suitable to use <mark> .
Custom styles
Although the default background of <mark> is yellow and the text color is black, you can use CSS to modify its appearance. For example:
mark {
background-color: #ffcccc;
color: #cc0000;
padding: 2px 4px;
border-radius: 3px;
}This way you can make it more in line with the overall style of the website, and even turn into a red background, rounded border, etc.
What should you pay attention to when using it?
Don't abuse <mark></mark> . If the whole paragraph is full of highlighted text, it will lose the focus. It is recommended to use only in the following situations:
- Match words in search results
- What needs to be pointed out in the article
- Key terms in tutorials or teaching materials
Basically that's it. If used well, the content will be easier to understand; if used too much, the reader will be dazzled.
The above is the detailed content of What is the HTML5 `` element used for?. For more information, please follow other related articles on the PHP Chinese website!
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