The DOCTYPE Declaration
The <!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
HTML headings are defined with the <h1>
to <h6>
tags.
<h1>
defines the most important heading.<h6>
defines the least important heading:
Example
<h1>
This is heading 1 </h1>
<h2>
This is heading 2 </h2>
<h3>
This is heading 3 </h3>
HTML Paragraphs
HTML paragraphs are defined with the <p>
tag:
Example
<p> This is another paragraph. </p
HTML Links
HTML links are defined with the <a>
tag:
Example
The link's destination is specified in the
href
attribute.
Attributes are used to provide additional information about HTML elements.
HTML Images
HTML images are defined with the <img>
tag.
The source file (src
), alternative text ( alt
), width
, and
height
are provided as attributes:
Example
How to View HTML Source?
Have you ever seen a Web page and wondered "Hey! How did they do that?"
- View HTML Source Code:
Right-click in an HTML page and select "View Page Source" (in Chrome) or "View Source" (in Edge), or similar in other browsers. This will open a window containing the HTML source code of the page.
- Inspect an HTML Element:
Right-click on an element (or a blank area), and choose "Inspect" or "Inspect Element" to see what elements are made up of (you will see both the HTML and the CSS). You can also edit the HTML or CSS on-the-fly in the Elements or Styles panel that opens.
Reference
- All the documentation in this page is taken from W3 school.