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Scott and Wes detail the tips and tools you need to get better at debugging. Freshbooks - Sponsor Get a 30 day free trial of Freshbooks at freshbooks.com/syntax and put SYNTAX in the “How did you hear about us?” section. Coffeecup’s CSS Grid Builder Tool Check out Coffeecup’s CSS Grid.cc builder tool and resources to learn, prototype and build next gen layouts with CSS Grid! Show Notes 4:00 • Read the stack trace 7:35 • Make sure you aren’t debugging production • Make sure you’re not cached 8:40 • Check the network panel for the whole response • CORS (Cross-Origin Resource Sharing) 12:04 • Use debugger commands in the browser • Set breakpoints (race conditions 13:40 • Use Source Maps 15:29 • Make full use of all console methods • console.group/groupEnd/info/ • console.log({objNAme}) • 17:02 • View your code in other browers • Make sure your browser is up to date 18:50 • Step into and step over function • Useful for especially tricky issues 19:47 • Look into Scope in dev tools panel 20:33 • Recreate it in CodePen or Create React App • Helps to quarantine your code • Verify where the problem actually is • 24:12 • Take a break • Helps clear your head and approach your problem from a different angle • 25:40 • Rubber Duck Debugging • Forcing yourself to talk it out will often reveal problems/issues • 26:40 • Check Github issues / ask in Slack • Leave your solution in the comments for others • 28:12 • Use Node --inspect flag 29:57 • Read the code in your libs (if you can) 32:34 - Chrome Dev Tools Tabs Rundown • 33:10 - Network tab • 34:15 - Preformance tab • 35:58 - Lesser known tools • 36:15 - Firefox Grid Debug • 36:20 - Firefox Fonts tab • 37:10 - More tools (three dots menu in top right of Chrome Dev Tools window) • 37:39 - Chrome Animations Inspector • 38:34 - /dev tips • & Modern DevTools Course • 39:41 - Chrome & FF Layers for 3d and full view of canvas & window • 40:51 - Sensors for overriding fake devices sensors • Hot tip: Use Instagram on the desktop - Go to Instagram • and set the user agent to iPad and it will work as it does on that actual device • Hot tip: Get free internet on a plane - If the airplane offers free internet for a certain device, change your user agent to that device and then switch back • • 43:12 - Favorite DevTools extensions Apollo React Redux Vue Lighthouse JSON Formatter • • • 44:06 - Application/Storage tab • 44:41 - FireFox Grid Inspector ××× SIIIIICK ××× PIIIICKS ××× • Scott: Hotel Tonight App • Wes: Coffee table - If you’re trying to build an outdoor coffee table, use a peice of granite Shameless Plugs Scott’s Level 2 React Course coming out THIS WEEK! • - subscribe and be notified when it’s released Wes’ Courses - Advanced React course coming soon • - subscribe to be notified when it’s released Tweet us your tasty treats! Scott’s Instagram LevelUpTutorials Instagram Wes’ Instagram Wes’ Twitter Wes’ Facebook Scott’s Twitter • Make sure to include @SyntaxFM • in your tweets
Release date
Lydbog: 23. maj 2018
Fakta
Scott and Wes detail the tips and tools you need to get better at debugging. Freshbooks - Sponsor Get a 30 day free trial of Freshbooks at freshbooks.com/syntax and put SYNTAX in the “How did you hear about us?” section. Coffeecup’s CSS Grid Builder Tool Check out Coffeecup’s CSS Grid.cc builder tool and resources to learn, prototype and build next gen layouts with CSS Grid! Show Notes 4:00 • Read the stack trace 7:35 • Make sure you aren’t debugging production • Make sure you’re not cached 8:40 • Check the network panel for the whole response • CORS (Cross-Origin Resource Sharing) 12:04 • Use debugger commands in the browser • Set breakpoints (race conditions 13:40 • Use Source Maps 15:29 • Make full use of all console methods • console.group/groupEnd/info/ • console.log({objNAme}) • 17:02 • View your code in other browers • Make sure your browser is up to date 18:50 • Step into and step over function • Useful for especially tricky issues 19:47 • Look into Scope in dev tools panel 20:33 • Recreate it in CodePen or Create React App • Helps to quarantine your code • Verify where the problem actually is • 24:12 • Take a break • Helps clear your head and approach your problem from a different angle • 25:40 • Rubber Duck Debugging • Forcing yourself to talk it out will often reveal problems/issues • 26:40 • Check Github issues / ask in Slack • Leave your solution in the comments for others • 28:12 • Use Node --inspect flag 29:57 • Read the code in your libs (if you can) 32:34 - Chrome Dev Tools Tabs Rundown • 33:10 - Network tab • 34:15 - Preformance tab • 35:58 - Lesser known tools • 36:15 - Firefox Grid Debug • 36:20 - Firefox Fonts tab • 37:10 - More tools (three dots menu in top right of Chrome Dev Tools window) • 37:39 - Chrome Animations Inspector • 38:34 - /dev tips • & Modern DevTools Course • 39:41 - Chrome & FF Layers for 3d and full view of canvas & window • 40:51 - Sensors for overriding fake devices sensors • Hot tip: Use Instagram on the desktop - Go to Instagram • and set the user agent to iPad and it will work as it does on that actual device • Hot tip: Get free internet on a plane - If the airplane offers free internet for a certain device, change your user agent to that device and then switch back • • 43:12 - Favorite DevTools extensions Apollo React Redux Vue Lighthouse JSON Formatter • • • 44:06 - Application/Storage tab • 44:41 - FireFox Grid Inspector ××× SIIIIICK ××× PIIIICKS ××× • Scott: Hotel Tonight App • Wes: Coffee table - If you’re trying to build an outdoor coffee table, use a peice of granite Shameless Plugs Scott’s Level 2 React Course coming out THIS WEEK! • - subscribe and be notified when it’s released Wes’ Courses - Advanced React course coming soon • - subscribe to be notified when it’s released Tweet us your tasty treats! Scott’s Instagram LevelUpTutorials Instagram Wes’ Instagram Wes’ Twitter Wes’ Facebook Scott’s Twitter • Make sure to include @SyntaxFM • in your tweets
Release date
Lydbog: 23. maj 2018
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