This is an HTML element:
<b>This text is bold</b>
The
HTML element begins with a start tag: <b> The content of the HTML
element is: This text is bold The HTML element ends with an end tag:
</b>
The purpose of the <b> tag is to define an HTML element that should be displayed as bold.
This is also an HTML element:
<body> This is my first homepage. <b>This text is bold</b> </body>
This
HTML element starts with the start tag <body>, and ends with the
end tag </body>. The purpose of the <body> tag is to define
the HTML element that contains the body of the HTML document.
Nested
Tags You may have noticed in the example above, the <body> tag
also contains other tags, like the <b> tab. When you enclose an
element in with multiple tags, the last tag opened should be the first
tag closed. For example:
<p><b><em>This is NOT the proper way to close nested tags.</p></em></b>
<p><b><em>This is the proper way to close nested tags. </em></b></p>
Note: It doesn't matter which tag is first, but they must be closed in the proper order.
Why
Use Lowercase Tags? You may notice we've used lowercase tags even
though I said that HTML tags are not case sensitive. <B> means the
same as <b>. The World Wide Web Consortium (W3C), the group
responsible for developing web standards, recommends lowercase tags in
their HTML 4 recommendation, and XHTML (the next generation HTML)
requires lowercase tags.
Tag Attributes Tags can have attributes.
Attributes can provide additional information about the HTML elements on
your page. The <tag> tells the browser to do something, while the
attribute tells the browser how to do it. For instance, if we add the
bgcolor attribute, we can tell the browser that the background color of
your page should be blue, like this: <body bgcolor="blue">.
This
tag defines an HTML table: <table>. With an added border
attribute, you can tell the browser that the table should have no
borders: <table border="0">. Attributes always come in name/value
pairs like this: name="value". Attributes are always added to the start
tag of an HTML element and the value is surrounded by quotes.
Quote
Styles, "red" or 'red'? 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='George "machine Gun" Kelly'
Note:
Some tags we will discuss are deprecated, meaning the World Wide Web
Consortium (W3C) the governing body that sets HTML, XML, CSS, and other
technical standards decided those tags and attributes are marked for
deletion in future versions of HTML and XHTML. Browsers should continue
to support deprecated tags and attributes, but eventually these tags are
likely to become obsolete and so future support cannot be guaranteed.
For a complete list of tags, visit W3C.org.
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