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10 Most Common HTML Tag Mistakes

黄舟
Release： 2016-12-15 13:18:30
Original
1127 people have browsed it

We better start paying attention, because HTML Police will go through your code and pick out all your tags that have no semantics. This list contains the 10 most common HTML tag mistakes. Taking note of them will enable us to avoid them. Make this common mistake and make our HTML tags comply with semantics and standard requirements.
Crime 1: Putting block-level elements inside inline elements


HTML elements can be expressed in two ways: block-level and Inline. Each tag has a default expression mode of either block level or inline. Like div and p are block-level elements, which are used to form the document structure. Inline elements can only be within fast-level elements.

Crime 2: img tag The alt attribute is not included


The alt attribute is a must attribute for all images displayed on web pages. It can help people know what kind of image it is. Or what the meaning of the image is when the network speed is relatively slow. Its main purpose is , to explain the meaning of the picture, it is very bad to explain like this alt="image". If some pictures are really just for decoration, then it is recommended that you write alt="".

Crime 3: Not using it when necessary list



Crime 4: Use and to display bold and italics

You can use css styles to define font-weight and font-style. If you must write tags in the page, use < strong> or tags to replace. has no semantics at all, but for a simpler page, choose CSS to define the style

Crime 5: Using too many< br/>


The newline mark should only be used to insert a special word that is a newline in the first text stream. It should not be used to create gaps between elements, but to split text into different paragraphs, or to adjust the amplitude of CSS styles.


Crime 6: Using the wrong Strikethrough tag

In the old days, and were allowed to be used to define website text. However, they are now defined as deprecated tags, while they can still have effect. Now with a new set of tags - and . To replace

Crime 7: Using inline styles

The most important purpose of css is just to distinguish documents and styles. If you write style into the page, then there is no role for css at all. So, remember to put your styles where they belong

Crime 8: Adding borders to HTML




Crime 9: Not using header tags

-



Crime 10: No semantic or

Not recommended by w3, and (flash, scroll) tags are just plain ugly.
Don’t use this tag. If you must use this effect, I believe you will have other better effects

The above are the 10 most common HTML tag errors. For more related articles, please pay attention to the PHP Chinese website ( www.php.cn)!


Related labels：
HTML标签，错误
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