شرح لبعض وسوم لغة HTML او ال Tages الدرس 003
HTML Tags
HTML tags are keywords (tag names) surrounded by angle brackets:
- HTML tags normally come in pairs like <p> and </p>
- The first tag in a pair is the start tag, the second tag is the end tag
- The end tag is written like the start tag, but with a slash before the tag name
The start tag is often called the opening tag. The end tag is often called the closing tag.
HTML Example
<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
Web Browsers
The purpose of a web browser (Chrome, IE, Firefox, Safari) is to read HTML documents and display them.
The browser does not display the HTML tags, but uses them to determine how to display the document:
Example Explained
- The DOCTYPE declaration defines the document type to be HTML
- The text between <html> and </html> describes an HTML document
- The text between <head> and </head> provides information about the document
- The text between <title> and </title> provides a title for the document
- The text between <body> and </body> describes the visible page content
- The text between <h1> and </h1> describes a heading
- The text between <p> and </p> describes a paragraph
ويحدد الإعلان DOCTYPE نوع الوثيقة لتكون HTMLالنص بين <HTML> و </ HTML> ويصف وثيقة HTML
النص بين <head> و </ head> يوفر معلومات حول المستند
النص بين <title> و </ title> يوفر عنوانا للوثيقة
النص بين <body> و </ body> يصف محتوى الصفحة مرئية
النص بين <H1> و </ H1> ويصف عنوان
النص بين <P> و </ P> ويصف فقرة
HTML Page Structure
Only the <body> area
The <!DOCTYPE> Declaration
The <!DOCTYPE> declaration helps the browser to display a web page correctly.
There are different document types on the web.
To display a document correctly, the browser must know both type and version.
The doctype declaration is not case sensitive. All cases are acceptable:(the white area) is displayed by the browser.<!DOCTYPE html>
<!DOCTYPE HTML>
<!doctype html>
<!Doctype Html>
<!DOCTYPE HTML>
<!doctype html>
<!Doctype Html>
Common Declarations
HTML5
<!DOCTYPE html>
HTML 4.01
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://ift.tt/kTyqzh">
XHTML 1.0
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://ift.tt/kkyg93">
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