Webdesign presentation lab 1

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Webdesign presentation lab 1

  1. 1. LUYAO ZHANG
  2. 2. What is http ? <ul><li>Abbreviation : Hypertext Transfer (or Transport) Protocol, the data transfer protocol used on the World Wide Web. </li></ul>
  3. 3. Function <ul><li>The HTTP functions let you manipulate information sent to the browser by the Web server, before any other output has been sent. </li></ul>
  4. 4. What attributes are possible for this tag? <ul><li>The HTTP functions let you manipulate information sent to the browser by the Web server, before any other output has been sent. </li></ul>
  5. 5. Example <ul><li>Use the http-equiv attribute to define the character set for an HTML document: </li></ul>
  6. 6. Status Code <ul><li>Contents </li></ul><ul><li>1 1xx Informational </li></ul><ul><li>2 2xx Success </li></ul><ul><li>3 3xx Redirection </li></ul><ul><li>4 4xx Client Error </li></ul><ul><li>5 5xx Server Error </li></ul><ul><li>6 See also </li></ul><ul><li>7 References </li></ul><ul><li>8 External links </li></ul>
  7. 7. Example <ul><li>1xx Informational </li></ul><ul><li>Request received, continuing process. [2] </li></ul><ul><li>This class of status code indicates a provisional response, consisting only of the Status-Line and optional headers, and is terminated by an empty line. Since HTTP/1.0 did not define any 1xx status codes, servers  must not  send a 1xx response to an HTTP/1.0 client except under experimental conditions. </li></ul>
  8. 8. 100 Continue <ul><li>This means that the server has received the request headers, and that the client should proceed to send the request body . </li></ul>
  9. 9. Website <ul><li>http://www.w3schools.com/default.asp </li></ul><ul><li>http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html </li></ul>
  10. 10. Thank You

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