How to use html a tag? Summary of the use of html a tags-HTML Tutorial-php.cn

How to use html a tag? Summary of the use of html a tags

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Release： 2018-08-29 13:36:17

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This article mainly introduces you to the HTML tag, how to use the a tag, the required attribute href attribute inside, and also gives some introduction about HTML

First of all, let’s learn about the use of a tag:

html a tag It is a hyperlink that defines a web page, and is used to hyperlink from one page to another page

html The most important attribute in the a tag is the href attribute, and it is also a necessary attribute of the a tag, because the href attribute What is defined is the target of the link. (For more introduction, please visit "PHP Chinese website")

The appearance of the link defined by the a tag is the same in all browsers, with a total of three colors

One is a link that has not been visited, and its label color is blue and underlined;
One is a link that has been visited, and its label is The color is purple and underlined;
The last one is the active link, and its label color is red and underlined.

Having said so much, let’s try an example

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>PHP中文网</title>
</head>
<body>
<a href="http://www.php.cn">这里是PHP中文网</a>
</body>
</html>

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The rendering is:

Here are the visited links, so they are purple.

Now let’s talk about the href attribute in the a tag, a necessary attribute in the a tag:

As you can know from the above code, the href attribute of the tag Is used to specify the target URL of the link. The value of the href attribute can be the relative or absolute URL of any valid document. We place hyperlinks here, specify a URL, and then click on the page to enter the URL. This is also The reason why I personally like the a tag is that when I work, I need to insert an advertisement into the characters. At this time, it feels very simple to use the tag.

Now there are also cascading style sheet files or the addition of javascript files, making the tag more diverse. Let’s talk about this later.

Now let’s take a look at the text link form of the href attribute of the a tag:

<a href="http://www.php.cn/course.html">这里是PHP中文网的教育课程</a>

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This is linked to the URL of the network document. Once you click it, you will enter the PHP Chinese network education course. . This rendering is similar to the previous rendering, so just take a look. (For more attribute introduction, please click: html Programming Dictionary)

After introducing the necessary attributes in the a tag, let’s take a look at what other attributes the a tag has and what they do. :

html Introduction to the attributes of a tag:

How to use html a tag? Summary of the use of html a tags

The black box in the above picture is abolished in HTML5 Attributes are still useful in HTML4.01. There are also new attributes in HTML5 in the blue box. We will introduce them one by one later.

Okay, the above is the content of this article. Of course, there is more to the usage of HTML tag. I will continue to introduce it to you in future articles. If you have any questions, you can ask below

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