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Creating a Web Page

Creating a Web Page. CSC 121. Short History of WWW/HTML. Internet came first (late ’60s). ARPANET – US military network WWW using Hypertext (circa 1989) invented as a means of Internet navigation Tim Berners-Lee @ Geneva, Switzerland Hyper Text Markup Language (HTML)

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Creating a Web Page

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  1. Creating a Web Page CSC 121

  2. Short History of WWW/HTML • Internet came first (late ’60s). • ARPANET – US military network • WWW using Hypertext (circa 1989) • invented as a means of Internet navigation • Tim Berners-Lee @ Geneva, Switzerland • Hyper Text Markup Language (HTML) • First publicly documented – 1991 • 22 Elements; 13 remain in HTML 4

  3. Evolution of HTML • Early - No standards. • Competing browsers • Netscape Navigator • Microsoft Internet Explorer • Introduced extensions to gain competitive edge • Not compatible • World Wide Web Consortium (W3C) • Standards (not enforceable)

  4. HTML Status • Lots of older web pages left around. • Old features may be deprecated by W3C, but may be supported for indefinite time by various browsers. • What works in one browser may work differently or not at all in another.

  5. Tools • HTML documents are simply text files. • Only software package needed is a text editor. • An HTML converter takes text in one format and converts it to HTML code.

  6. HTML Document • HTML document may have a variety of elements: • Title • Headings • Paragraphs • And others . . . • Elements are marked with tags.

  7. HTML Tag Syntax • Tags • one-sided • two-sided • One-sided Tag • Syntax <element /> • Example: <br /> - - causes a line break

  8. HTML Tag Syntax • Tags • one-sided • two-sided • Two-sided Tag • Syntax <element attributes>content</element> • Example: <h1 align=center>Title of Document</h1>

  9. HTML Coding Conventions • Use lowercase for tag names, attribute names. • Use closing tags for two-sided tags. • Don’t omit space and / in one-sided tags.

  10. Places to learn HTML, etc. • http://www.w3schools.com/ • http://www.w3.org/

  11. HTML Codes entered in Editor <html> <head> <title>The Document by Me</title> </head> <body> </body> </html>

  12. See html1

  13. Creating a Paragraph • See html2 • HTML formats text through the use of tags • ignores things such as blank spaces, blank lines, or tabs • Use <p> to begin the paragraph • Use </p> to close the paragraph • See html3

  14. Creating Lists • ordered list (OL) • See html4 • unordered list (UL) • definition list (DL) • See html5

  15. Logical Character Tags EM STRONG CODE KBD VAR CITE any combination Physical Character Tags B I TT BIG SMALL SUB SUP Other Tags

  16. More Tags • blinking text (BLINK) – 2-sided • link (A) – 2-sided • insert an image (IMG) • horizontal rule (HR)

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