JavaScript Debugging Tips & Tricks
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This document provides tips and tricks for debugging JavaScript. It discusses common JavaScript mistakes like undefined variables, misspellings, case sensitivity issues, and incorrect brackets or parentheses. It also covers debugging techniques like using alert, console.log, try/catch blocks, and sequentially uncommenting code. The document recommends using developer tools, which allow setting breakpoints and stepping through code line-by-line to debug issues. It concludes with inviting questions from the audience.
JavaScript Debugging Tips & Tricks
- 1. JavaScript Debugging Tips and Tricks C# Corner - Delhi Chapter 5th Sep 2015 Sunny Sharma
- 2. < About me /> Sunny Sharma • Trainer / Author / Speaker • corp.sunnykumar@gmail.com • Twitter: @sunny_delhi
- 5. Misspelling
- 7. Incorrect Number of Closing Braces
- 8. Incorrect Number of Closing Parenthesis
- 9. Using Method as a Property
- 10. Missing “+” during concatenation
- 11. Unhandled NaN
- 12. Using Equals (=) Rather than Equality (==)
- 13. Debugging
- 14. alert();
- 16. try / catch / finally
- 18. Developer Tools
- 19. Developer Tools Common Terms • Console • Breakpoint • Step In • Step Over • Step out • Call Stack • Watch
- 20. Q & A?
- 21. Thank You!