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Yes, you can! Debugging and Tooling for JavaScript Ingo Rammer ingo.rammer@thinktecture.com

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Contact, Slides and Samples @ingorammer ingo.rammer@thinktecture.com http://www.thinktecture.com Demos: https://github.com/ingorammer/talk-AngularJS Slides: https://speakerdeck.com/ingorammer

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Editing/IDE •  JSDoc-Comments –  Visual Studio –  WebStorm •  JSHint/JSLint •  Chrome Workspaces 3

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Transfer-Optimisation •  Resource Combination with ASP.NET MVC •  Important: Minification might not be necessary for business applications --- maybe concatenation is enough 4

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Debugging •  Debugging Tools & Commands (console …) –  IE with Visual Studio –  Chrome with WebStorm –  Chrome standalone •  Debugging on mobile devices ("Remote Debugging") –  Chrome with Android –  Safari on Mac (also for PhoneGap-style apps!) •  Generally –  Reload-on-F5! (URL parameters vs. implicit state) –  Dynamic/Live editing (Chrome Workspaces) 5

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Console/Chrome •  Console –  console.log(), .warn(), .error() –  console.dir() –  console.time("xyz"),.timeEnd("xyz") –  console.group("foo"), .groupEnd("foo") –  Right mouse click -> "Filter", Preserve Log •  Timeline –  CPU –  Memory •  Angular-Addin ("AngularJS Batarang") 6

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Communication •  Chrome XHR Tracing –  Right click à "Export as HAR with Content" –  HAR-Viewer (code.google.com/p/harviewer) •  Fiddler (Windows) oder Charles (Mac) –  Can import HARs! •  PostMan for REST-Debugging 7

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Unit Testing •  Jasmine (Tests, Fakes, Spys and Mocks) •  Karma (Test runner) •  Mocha 8

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Demos: https://github.com/ingorammer/talk-AngularJS Slides: https://speakerdeck.com/ingorammer @ingorammer ingo.rammer@thinktecture.com http://www.thinktecture.com