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HTML and CSS Advanced

Neal Stublen nstublen@jccc.edu. HTML and CSS Advanced. Course Road Map. Create web page layouts using CSS Manage CSS Test website validity Create navigation menus using CSS Incorporate meta content and multimedia. Chapter 3: Testing a Website. What’s Ahead?. Test HTML markup Test CSS.

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HTML and CSS Advanced

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  1. Neal Stublen nstublen@jccc.edu HTML and CSS Advanced

  2. Course Road Map • Create web page layouts using CSS • Manage CSS • Test website validity • Create navigation menus using CSS • Incorporate meta content and multimedia

  3. Chapter 3:Testing a Website

  4. What’s Ahead? • Test HTML markup • Test CSS

  5. Validating HTML Markup • Free service for validating page markup • http://validator.w3.org/ • Specify a URL • Upload a file • Paste HTML

  6. Practice Activity • Validating Markup, Activity 1 • Validate page markup (p.68)

  7. Validating CSS • Free service for validating CSS • http://jigsaw.w3.org/css-validator/ • Specify a URL • Upload a file • Paste HTML

  8. Practice Activity • Validating CSS, Activity 2 • Validate CSS content (p.74)

  9. Common Mistakes • Missing “punctuation” • Semicolons • Braces and brackets • Typos • Mismatched elements • <div><p></div> (missing </p>)

  10. Validator Limits • Ignores styling section • Does not validate links • Does not account for use of JavaScript • JavaScript may use undefined attributes • JavaScript may alter styles

  11. What Does It Mean? • Reveals improper syntax • But browsers are very forgiving • If you’re using other tools to generate your web pages, you may not be able to resolve all the errors it reports • Look at other sites – no one is perfect! • http://google.com • http://microsoft.com

  12. What’s Behind? • Test HTML markup • Test CSS

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