HTML is the standard markup language for creating webpages.
- HTML stands for Hyper Text Markup Language
- All HTML documents must start with a document type declartation:
<
!DOCTYPE html>
. - The HTML document itself begins with
<
html>
and ends with<
/html>
. - The visible part of the HTML document is between
<
body>
and<
/body>
.
<
!Doctype>
DeclarationThe <
!DOCTYPE>
declaration represents the document type, and helps browsers to display web pages correctly.
It must only appear once, at the top of the page (before any HTML tags).
The <
!DOCTYPE>
declaration is not case sensitive.
The <
!DOCTYPE>
declaration for HTML5 is: <
!DOCTYPE html>
HTML headings are defined with the <
h1>
to <
<
h6>
tags.
<
h1>
defines the most important heading. <
h6>
defines the least important heading.
- Examples:
<
h1>
This is a heading.<
/h1>
<
h2>
This is another heading.<
/h2>
HTML paragraphs are defined with the <
p>
tag.
- Examples:
<
p>
This is a paragraph.<
/p>
<
p>
This is another paragraph.<
/p>
HTML links are defined with the <
a>
tag.
- Example:
<
a href
=>
This is a link<
/a>
- The link's destination is specified in the
href
attribute. - Attributes are used to provide additional information about HTML elements.
HTML images are defined with the <
img>
tag.
The source file (src
), alternative text (alt
), width
, and height
are provided as attributes.
- Example:
<
img src
=alt
=width
=height
=>