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CMPT241 Web Programming

CMPT241 Web Programming. More HTML. A few miscellaneous elements. Superscript and subscript (inline) <sup>element</sup> <sub>element</sub> <p> x<sub>t</sub> = v<sub>0</sub>t + at<sup>2</sup> </p>. A few miscellaneous elements. Abbreviation < abbr title = “”>content</ abbr >

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CMPT241 Web Programming

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  1. CMPT241 Web Programming More HTML

  2. A few miscellaneous elements • Superscript and subscript (inline) • <sup>element</sup> • <sub>element</sub> • <p> • x<sub>t</sub> = v<sub>0</sub>t + at<sup>2</sup> • </p>

  3. A few miscellaneous elements • Abbreviation • <abbr title = “”>content</abbr> • <p><abbrtitle = “Please Excuse my Dear Aunt Sally”>PEMDAS</abbr></p>

  4. HTML 5 embedding an audio • New in HTML5: audio and video • Before: object • <p><audio src = “test.mp3” controls = “controls”></audio></p> • play in the background without visible appearance • autoplay = “autoplay” • loop = “loop”

  5. HTML 5 embedding a video • <video src = "test.ogg" width = "320" height = "150" controls = "controls" ></video> • can use all attributes introduced in audio • muted

  6. Embedding a YouTube video <iframesrc=“http://www.youtube.com/v/eKgPY1adc0A” width="420" height="345“> </iframe>

  7. Web Standards • Why use valid HTMLand web standards? • more rigid and structured language • more interoperable across different web browsers • more likely that our pages will display correctly in the future • easier for search engines to examine

  8. W3C HTML Validator <p> <a href="http://validator.w3.org/check/referer"> Validate this page </a> </p> HTML • validator.w3.org • checks your HTML code to make sure it meets the official strict HTML specifications • Start from the first error • more picky than the browser

  9. What is HTML 5? • a new W3C standard version of the HTML markup language  • successor to HTML 4.01 and XHTML 1.1 • balance between too-loose-ness of HTML 4 and too-strict-ness of XHTML • reduces the browser's need for plugins to display content, e.g. multimedia • make web content more rich, semantically meaningful, descriptive, accessible

  10. www.w3schools.com

  11. Web page metadata <meta> <meta name="description" content=“Harry Potter Official Website." /> <meta name="keywords" content="harry potter, harry potter and the deathly hallows, deathly hallows" /> HTML • data about data • information about your page (for a browser, search engine, etc.) • placed in the head of your HTML page • meta tags often have both the name and contentattributes

  12. <meta>

  13. meta element to describe the page <head> <meta charset = “utf-8” /> <meta name="author“ content="web page's author" /> <meta name="revised“ content="web page version and/or last modification date" /> <meta name="generator“ content="the software used to create the page" /> </head> HTML

  14. meta element to aid search engines <meta name="description” content="how you want search engines to display your page" /> HTML • Google usually uses the content of your meta description tag as their short snippet to display in the search results, along with the page’s title. • https://support.google.com/webmasters/answer/35624?hl=en&ref_topic=2370570

  15. Redirecting <meta http-equiv="refresh” content="how often to refresh the page (seconds)" /> HTML • The meta refresh tag can also redirect from one page to another <meta http-equiv="refresh” content=“5" /> <meta http-equiv="refresh” content=“5;url = http://www.manhattan.edu" /> HTML

  16. Homework 1 • Create a separate html page using what we learned in this week • Summary • You may start a page and make it more perfect every week. • Create a link on your home page to link to the homework • Due by the end of the week

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