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HTML Intro

HTML Intro. Mr. Rouda’s CSCI 101 sections. What does a web page consist of?. Code HTML, CSS, XHTML, XML, etc. Images Gif, jpg, png, etc. Plugins Swf, flv, etc. JavaScript Jquery, etc. What happens when I request a page?. I type the URL “faculty.winthrop.edu/roudaj/”

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HTML Intro

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  1. HTML Intro Mr. Rouda’s CSCI 101 sections

  2. What does a web page consist of? • Code • HTML, CSS, XHTML, XML, etc. • Images • Gif, jpg, png, etc. • Plugins • Swf, flv, etc. • JavaScript • Jquery, etc.

  3. What happens when I request a page? • I type the URL “faculty.winthrop.edu/roudaj/” • That machine sends me one file from the specified directory. That file is plain text, but contains special codes to tell the browser how to display the text. • view source • That file contains references to other files (which happen to be images), so the browser requests those files also. • The browser prints everything on the screen.

  4. What are Browsers? • Internet Explorer (IE) • Firefox • Google Chrome • Apple Safari

  5. Retrieving a Web Page without a Browser • From the Windows menu, select "run..." • Type “CMD” • Press “Enter” • Type “telnet google.com 80” • Press “Enter” • Type “GET” • Press “Enter” ** In Linux or Mac you can type “curl google.com” in the terminal.

  6. How are web pages organized? • directories/folders and files • example: • http://faculty.winthrop.edu/contains directories for each faculty website. My directory is “roudaj” • each of those directories contain a file named default.htm which is the main page of the website…or the Home Page. ** In some servers this page can be default.XXX or index.XXX or whatever the server admin sets it as.

  7. What sort of files can you put on a web site? • HTML .html or .htm • Text .txt • PDF .pdf • Images .jpg, .gif, .png, etc • Sound Files .wav • MS Word or PPT .docx, .doc, .ppt, .pptx– not a good idea • CGI .cgi, .pl will run a program on the web server machine • Scripts .asp, .php, .jsp run scripts on the “Server Side” and can query databases on the server machine. • JavaScript files (.js) run on the “Client Side” to change the look of a website.

  8. HTML Example One • use notepad to create a file • type “hi class” • save as test_one.html • use browser to open the file

  9. Example Two • HTML Tags. <html> <head> <title>Hello World</title> </head> </html>

  10. Example Three <html> <head> <title>Hello World</title> </head> <body> <p>Testing text. Make this <b>bold</b> </p> </body> </html>

  11. Hyperlinks **Note all should be in the body tags** <p>This is a <a href="bob.htm">link</a> to the file bob.</p> <p><a href="http://www.youtube.com">link</a> to youtube</P> <p><a href="mailto:roudaj@winthrop.edu">Mr. Rouda’s email</a></p>

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