HTML Attributes
Attributes provide additional information
to an HTML element.
HTML Tag Attributes
HTML tags can have attributes. Attributes provide additional information
to an HTML element.Attributes always come in name/value pairs like this: name="value".
Attributes are always specified in the start tag of an HTML element.
Attributes Example 1:
<h1> defines the start of a heading.
<h1 align="center"> has additional information about the alignment.
Try it yourself:
Center aligned heading
Attributes Example 2:
<body> defines the body of an HTML document.
<body bgcolor="yellow"> has additional information about the background
color.
Try it
yourself: Background color
Attributes Example 3:
<table> defines an HTML table. (You will learn more about HTML tables
later)
<table border="1"> has additional information about the border around
the table.
Use Lowercase Attributes
Attributes and attribute values are case-insensitive. However, the World Wide Web Consortium (W3C) recommends lowercase
attributes/attribute values in
their HTML 4 recommendation, and XHTML demands
lowercase attributes/attribute values.
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.
In some rare situations, like when the attribute value itself contains
quotes, it is necessary to use single quotes:
name='John "ShotGun" Nelson'
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