Format and Syntax of
HTML Tags and Important points about HTML Tags-HTML file are created
in American Standard Code for Information Interchange displayed
by the browsers in the form you specify. HTML tags play an important role in an
HTML document. HTML tags work as controllers of various elements in the HTML.
They are like various blocks of a building. IN an HTML document a different
content is described by each tag. These are keywords surrounded by angular
brackets and may be in either case, the upper case or the lower case. HTML is
not case sensitive and any thing written in capital or small letters has the
same effect.
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Format and Syntax of HTML Tags and Important points about HTML Tags |
Basic Syntax of an HTML tag is like this
HTML
tags are in fact key words surrounded by angular brackets(The greater than signs and the less than signs).
The starting tag is also called the opening tag and the end tag is also called
the closing tag. The ending tag contains a slash between the opening angular
bracket and the tag name.
<name
of Tag> attribute(Text that effected)</name of tag>
Important Things to be known about HTML Tags
1. The
entire HTML is case insensitive therefore, <TAG>, <Tag> or
<tag> will give the same result in an HTML document.
2. If
some tags in an HTML document are written in upper case and others in the lower
case, the only purpose of the writer in
this case may be to highlight them or to differentiate them from other tags and
nothing else.
3. An
HTML Tag is always placed between an angular bracket(The less than sign ‘<’
and the greater than Sign “>”), like this “<Name of the Tag>”.
4. There
must be no space between the letters and signs of the entire tag. (i)
<TAG> this is correct but (ii) <TA G> and <TAG > both are
wrong because these contain space.
5. All
HTML tags, except few require a closing HTML tag.
6. The
closing tag contains a slash(‘/’) just after the first angular bracket, rest
every thing is same in opening tags and closing tags(See example -Opening Tag
<tag>, Closing Tag </tag>)
7. The
tags requiring a closing tags always contain something like a text or other
thing between them, therefore they are called the container tags.
8. The
HTML tags that not need to be closed are called the ‘Empty tag’
9. Tags
have default value for the attributes and we have to modify them to set a new value. For
example the tag <hr> uses its full value (or 100 per cent) and draws a
black rule through the entire page but we can change it to the halfway in blue
by modifying. (See example - <hr width = “50%” color “blue”>
10. Tags
may have more than one or many attributes and the attribute will have only one
value.
11. If
we use an attribute not known by the browser or a wrong attribute, the browser
will ignore it without displaying any type of message or an error. For example
<ta g> is written incorrectly and <pencil> has no meaning in html.
Both these tags will be ignored without any message.
12. There
are some tags which can be recognized by some particular browser and not
recognized by other browsers. Such tags are known as ‘browser specific tags’ and will work on that particular browser
only. All other browsers not recognizing such tags will ignore these tags
without displaying any type of message or an error,
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