11.6.1. HTML attribute ¶

• HTML element can set properties

• Attribute can add additional information to the element

• Attributes are generally described in the opening tag

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

11.6.2. Attribute instance ¶

HTML Links are made up of <a> label definition. The address of the link is href property to specify:

<ahref="http://www.runoob.com">This is a link</a>

11.6.3. Common reference property values for HTML properties ¶

Attribute values should always be enclosed in quotation marks.

Double quotes are the most commonly used, but there is no problem with usingsingle quotes.

Tip: in some individual cases, for example, the attribute value itself contains double quotes, then you must use single quotes, such as name=’John “ShotGun” Nelson’

11.6.4. HTML hint: use lowercase attributes ¶

Properties and property values are not case-sensitive.

However, the World wide Web Consortium recommends lowercase attribute / attribute values in its HTML 4 recommendation.

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

11.6.5. HTML attribute reference manual ¶

Check out the complete list of HTML attributes: the HTML tag reference manual.

The following lists the attributes that apply to most HTML elements: