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Web Developer Tools in Modern Browsers othree @ WebConf

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Past

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How Developers Debugging

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Problems • Only script debugging • Error messages are not useful

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The Most Powerful Debugging Function

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alert

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Present

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Text

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Rich Internet Applications

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2004

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Take Back the Web

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2007

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Firebug • First modern browser developer tool • by Joe Hewitt

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Modern Dev Tool Functions • Inspect DOM Tree • Style Lookup • Useful Debug Message • Monitor Network • Performance Tuning • ...

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Modern Dev Tools • Firebug for Firefox • Developer Tool for Chrome/Safari • Dragonfly for Opera

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Demo Time

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One More Thing

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Firebug Lite

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Firebug Lite • Browser independent • Supports all major browser including IE

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Take a Look

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Further Reading

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Things I didn’t know about the WebKit inspector

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Wait, DevTools could do THAT?

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Improving Web App Performance With the Chrome DevTools Timeline and Profiles

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Using the Heap Profiler in Chrome Dev Tools

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Secrets of the Chrome Developer Tools

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My Workflow: Never having to leave DevTools

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Documents • Console API • Command Line API • Chrome Developer Tools • Opera Dragonfly Documentation

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Questions?

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me • othree • Twitter, Plurk, flickr, Github, PTT • Blog: https://blog.othree.net • F2E at HTC

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Thanks