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HTML Attributes

HTML Attributes



  • HTML elements can have attributes

  • Attributes provide additional information about an element

  • Attributes are always specified in the start tag

  • Attributes come in name/value pairs like: name="value"






Attribute Example


HTML links are defined with the <a> tag. The link address is specified in the href attribute:

Example


<a href="http://www.w3schools.com">This is a link</a>

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Always Quote Attribute Values


Attribute values should always be enclosed in quotes.

Double style quotes are the most common, but single style quotes are also allowed.







NoteTip: In some rare situations, when the attribute value itself contains quotes, it is necessary to use single quotes: name='John "ShotGun" Nelson'





HTML Tip: Use Lowercase Attributes


Attribute names and attribute values are case-insensitive.

However, the World Wide Web Consortium (W3C) recommends lowercase attributes/attribute values in their HTML 4 recommendation.

Newer versions of (X)HTML will demand lowercase attributes.




HTML Attributes Reference


A complete list of legal attributes for each HTML element is listed in our: HTML Tag Reference.

Below is a list of some attributes that can be used on any HTML element:























AttributeDescription
classSpecifies one or more classnames for an element (refers to a class in a style sheet)
idSpecifies a unique id for an element
styleSpecifies an inline CSS style for an element
titleSpecifies extra information about an element (displayed as a tool tip)

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