Detailed explanation and tutorial of HTML attributes

零下一度
Release: 2017-05-16 14:01:19
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Attributes are additional information provided by HTML elements.

HTML attributes

HTML elements can set attributes

Attributes can add additional information to the element about an element

Attributes are generally described in the opening tag

Attributes always appear in the form of name/value pairs, such as: name="value".

Attribute Example

HTML links are defined by the tag. The link's address is specified in the href attribute:

Instance

This is a link

Commonly used HTML attributes QuotesAttribute values

Attribute values ​​should always be enclosed in quotation marks.

Double quotes are the most commonly used, but there is no problem using single quotes.

Tip: In some individual cases, such as the attribute value itself contains double quotes, you must use single quotes, for example: name='John "ShotGun" Nelson'

HTML Tip: Use lowercase attributes

Attributes and attribute values ​​are not case-sensitive.

However, the World Wide Web Consortium recommends lowercase attributes/attribute values ​​in its HTML 4 recommendations.

The new version of (X)HTML requires lowercase attributes.

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