HTMLpres - HTML—HyperText Markup Language Charles S Saxon...

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Unformatted text preview: HTML—HyperText Markup Language Charles S. Saxon Eastern Michigan University Why is HTML Used ? Pages to be shown on the world wide web (WWW) are written in HTML so that ● text can be transmitted as regular ASCII characters ● the displayed text can be formatted ● other things like pictures and sound can be included Why You Want to Learn About HTML To be able to answer exam questions correctly To be able to understand how web pages work To be able to create, edit, and fix web pages To have a richer and more fulfilling life HTML Documents May Contain: the text to be displayed tags, commands surrounded by the characters ‘ < ’ and ‘ > ’ links to pictures to be displayed links to other HTML documents links to sound files links to video files, etc. How it Works An HTML document is sent from the internet service provider to the user’s computer The browser on the user’s computer reads the HTML tags and issues instructions to the user’s computer making it perform appropriate actions User’s Connection to the World Wide Web User’s Computer Modem Internet Service Provider HTTP - Hypertext Transfer Protocol The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypermedia information systems. HTTP has been in use by the World-Wide Web global information initiative since 1990. HTTP Communication Server Workstation Client–A program that establishes connections for the purpose of sending requests. Server–An application program that accepts connections in order to service requests by sending back responses. Message–The basic unit of HTTP communication Request–An HTTP request message Response–An HTTP response message Client Server Basic HTML Programming Elements Tags ● HTML ● HEAD ● TITLE ● BODY ● H1 ● P Ending Tags, ex. </H1> </BODY> . . . Text HTML Document to Browser Display HTML Document Structure Begin with <html> tag Have a heading—contains the title for the title bar ● Begin with <head> tag ● Have a title contained in <title> and </title> tags ● End with </head> tag Have a body—contains the main text of the page ● Begin with <body> tag ● End with </body> tag End with </html> tag Other Useful HTML Tags Paragraph <p> </p> (adds between paragraph space) Line break <br/> (ends a line without adding space) Heading <h1> <h2> <h3> . . . <h6> Bold <b> </b> Italic <i> </i> Underscore <u> </u> Typewriter <tt> </tt> Horizontal Rule <hr/> (A line across the screen) Note: tags without an ending tag like break and rule have a /> at the end Lists There are 3 kinds of lists:...
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This note was uploaded on 02/12/2009 for the course IS 215 taught by Professor Wu during the Fall '07 term at Eastern Michigan University.

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HTMLpres - HTML—HyperText Markup Language Charles S Saxon...

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