Showing posts with label introduction to html. Show all posts
Showing posts with label introduction to html. Show all posts
Tuesday, 6 December 2011
Saturday, 26 November 2011
Lesson 5 : HTML Attributes
Attributes provide additional information about HTML elements.
HTML Attributes
- HTML elements can have attributes
- Attributes provide additional information about an element
- Attributes are always specified in the start tag
- Attributes come in name/value pairs like: name="value"
Attribute Example
HTML links are defined with the <a> tag. The link address is specified in the href attribute:
<a href="http://www.w3schools.com">This is a link</a>
Always Quote Attribute Values
Attribute values should always be enclosed in quotes.
Double style quotes are the most common, but single style quotes are also allowed.

HTML Tip: Use Lowercase Attributes
Attribute names and attribute values are case-insensitive.
However, the World Wide Web Consortium (W3C) recommends lowercase attributes/attribute values in their HTML 4 recommendation.
Newer versions of (X)HTML will demand lowercase attributes.
Lesson 2 : HTML - Getting Started
What You Need
You don't need any tools to learn HTML at W3Schools.
- You don't need an HTML editor
- You don't need a web server
- You don't need a web site
Editing HTML
HTML can be written and edited using many different editors like Dreamweaver and Visual Studio.
However, in this tutorial we use a plain text editor (like Notepad) to edit HTML. We believe using a plain text editor is the best way to learn HTML.
Use Your Test Web For Learning
We suggest you experiment with everything you learn at W3Schools by editing your web files with a text editor (like Notepad).
Note: If your test web contains HTML markup tags you have not learned, don't panic. You will learn all about it in the next chapters.
.HTM or .HTML File Extension?
When you save an HTML file, you can use either the .htm or the .html file extension. There is no difference, it is entirely up to you.
Lesson 1 : HTML Introduction
Example :
<html>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
What is HTML?
HTML is a language for describing web pages.
- HTML stands for Hyper Text Markup Language
- HTML is not a programming language, it is a markup language
- A markup language is a set of markup tags
- HTML uses markup tags to describe web pages
HTML Tags
HTML markup tags are usually called HTML tags
- HTML tags are keywords surrounded by angle brackets like <html>
- HTML tags normally come in pairs like <b> and </b>
- The first tag in a pair is the start tag, the second tag is the end tag
- Start and end tags are also called opening tags and closing tags
HTML Documents = Web Pages
- HTML documents describe web pages
- HTML documents contain HTML tags and plain text
- HTML documents are also called web pages
The purpose of a web browser (like Internet Explorer or Firefox) is to read HTML documents and display them as web pages. The browser does not display the HTML tags, but uses the tags to interpret the content of the page:
<html>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
Example Explained
- The text between <html> and </html> describes the web page
- The text between <body> and </body> is the visible page content
- The text between <h1> and </h1> is displayed as a heading
- The text between <p> and </p> is displayed as a paragraph
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