JavaScript Debugging Tips and Tricks
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The document discusses common coding errors and debugging techniques within C#, authored by Sunny Sharma. Key issues highlighted include variable errors, case sensitivity, and incorrect syntax. It also outlines a methodical approach to debugging using developer tools and common terms associated with them.
JavaScript Debugging Tips and Tricks
- 1. C# Corner - Delhi Chapter 5th Sep 2015
- 2. < About me /> Sunny Sharma • Trainer / Author / Speaker • corp.sunnykumar@gmail.com • Twitter: @sunny_delhi
- 6. Misspelling
- 8. Missing / Mixed Quotes
- 9. Incorrect Number of Closing Braces
- 10. Incorrect Number of Closing Parenthesis
- 11. Using Method as a Property
- 12. Missing “+” during concatenation
- 13. NaN
- 14. Using Equals (=) Rather than Equality (==)
- 15. Debugging
- 16. alert();
- 18. try / catch / finally
- 19. Sequential Uncommenting Steps: • Comment all your code • Uncomment first block of code (function) • Test if works fine • Uncomment next block of code • Test if still works fine • Carry on till you reach the end OR find the buggy line of code! • Boring, right?
- 20. Developer Tools
- 21. Developer Tools - Common Terms o Console o Breakpoint o Step In o Step Over o Step out o Call Stack o Watch
- 22. Play / Pause script execution Step Over Step Out Step In Disable Breakpoints Pause on Exceptions Developer Tools - Common Terms
- 23. Thank You!