It is actually a combination of
technologies to create dynamic content on web pages. It draws on HTML 4,
Cascading Style Sheets, and usually JavaScript. These elements are supposed to
work together following the rules of the Document Object Model (DOM), to change
the content of a page even after it has been loaded into the browser. HTML
forms part of a large more powerful mark-up language called SGML. In an effort
to harness the power of SGML without losing the simplicity of HTML,  the W3C has developed Extensible Markup
Language, or XML, that can be used to create your own mark-up languages,
specifically suited to your topic. SWITCHING BETWEEN WINDOWS While working on
browsers, it is easy to switch between various windows software. This is so
since both the commonly used browsers are Windows based. For switching between
one software and browser to another we simply use the option of pressing Alt +
Tab keys. This is simple. Else you can minimize one application to see another.
The choice is yours.

HTML COMMAND TAGS

For all practical purpose, HTML
tags are written with the less than and greater than signs. These signify the
opening and closing of the commands. The command for opening and closing are
the same but, for one exception, the closing one has a attached to it. It is
possible to have tags within tags. Don’t bother to find out what it means at
this stage. But in case remember to close the tags after opening it; else, you
will get an error. QUOTATION MARKS mostly all values should be enclosed in
straight quotation marks. However, you can omit the quote marks if the value
only contains letters (A-Z, a-z), digits (0-9), a hyphen or period. SPACING there
is no restriction on the number of spaces given by you, HTML always finds out
the extra spaces and ignores them. To add to that there is the concept of
entering p tag while beginning of each pare. Each new Para would begin on a new
line. It goes without saying that the tag would always have to be followed up
with. For controlling the spaces in the browser, each browser has its concept,
which you will learn later. SPECIAL SYMBOLS Besides the usual ASCII set of
characters, HTML supports other characters too. The standard ASCII set
characters can be used as it is and will be displayed as it is in the browser.
There are four symbols that have special meanings in HTML documents. These are
the greater than, less then, straight double quotation marks, and the
ampersand. If you simply type them in your HTML document, the browser may
attempt to interpret them. To show the symbols themselves, use a name or number
code. TAGS WITH AUTOMATIC LINE BREAKS Block-level tags generally include
automatic, logical line breaks. For example, you don’t need to use a new
paragraph tag after a header, since a header automatically includes a line
break. In fact, you only need to insert a new paragraph tag if you are using
the tag to apply styles.

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