Debugging 2013- Fredrik simonsson
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Debugging 2013- Fredrik simonsson

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Debugging- for rigtige programmører

Debugging- for rigtige programmører

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Debugging 2013- Fredrik simonsson Presentation Transcript

  • 1. Firebug Start the Debuger in Firefox Fredrik Simonsson
  • 2. About Fredrik Simonsson ● Independent software profesional and consultant ● Computer Geek since the Amiga-age in the late 1980-ies Previously: ● Embedded SW and ASIC developer at Nokia/Renesas ● Software Toubleshooter at Sony Ericsson ● http://dk.linkedin.com/in/fredriksimonsson/
  • 3. Download Firebug ● https://addons.mozilla.org/en-US/firefox/addon/firebug/
  • 4. Live Demo
  • 5. Download Firebug
  • 6. F12
  • 7. Breakpoint
  • 8. Step into Step over
  • 9. Inspect local variables
  • 10. Watch a variable
  • 11. Syntax errors found in Console
  • 12. Beware of datatypes
  • 13. No block scope
  • 14. Get to know your debuger and save the day