Must-Have JavaScript Tools for Efficient Debugging and Testing

Raygun

[{"selector":"#anim-8dbd3161-5bc0-4c11-aa71-f60b07448134","keyframes":{"opacity":[0,1]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-09bb7fd1-ad26-480c-9267-f1e82763f740","keyframes":{"transform":["translate3d(-103.57143%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-34c6902c-a08e-4d30-ad21-03efe6152a68","keyframes":{"opacity":[0,1]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a6b6fb0f-f34d-4d37-9b38-18b9f5f1b31c","keyframes":{"transform":["translate3d(-103.56164%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-78d98a4d-1017-47a9-980e-03045b89de18","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Cloud-based tool for performance monitoring & debugging. Collects end-user issue data, crash reporting, & bug feedback. Integrates with third-party tools like Jira for bug tracking. Learn Basic to Advanced JavaScript Concepts with JavaScript Cheat Sheet! Click here

2

[{"selector":"#anim-962524f9-d5b8-43d0-9d24-5320452d2059","keyframes":{"opacity":[0,1]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-91735a3d-f8a4-4f7a-85e9-2746c0d8880a","keyframes":{"transform":["translate3d(-103.56164%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-aa4c483f-c4ae-415a-a526-55d9b5237c7a","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1a234b43-5f84-44ec-8677-409b8dc1c2a2","keyframes":{"opacity":[0,1]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ba569c3e-0a93-421c-8322-c039f5837914","keyframes":{"transform":["translate3d(-103.57143%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Popular debugger with deployment monitoring, real-time error notifications, and bug-fixing suggestions. Categorize and prioritize bugs for efficient resolution. Learn Basic to Advanced JavaScript Concepts with JavaScript Cheat Sheet! Click here

Airbrake

[{"selector":"#anim-e4573a81-00e7-4b63-bccc-eaf8518566ca","keyframes":{"opacity":[0,1]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-691db1b2-e4ea-41b1-9db4-884341e70f59","keyframes":{"transform":["translate3d(-103.57143%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-177dcfe4-210c-48d2-807e-c4ff378029cd","keyframes":{"opacity":[0,1]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-67ee7fc0-175e-461f-b36f-7b245579cf79","keyframes":{"transform":["translate3d(-103.28767%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6215ff1c-1fc3-4721-bb16-d6a7d9dfd8d0","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Continuous-monitoring JavaScript debugger with real-time bug updates. Supports multiple languages and integrates with quick notification tools like Trello. Learn Basic to Advanced JavaScript Concepts with JavaScript Cheat Sheet! Click here

Firefox JavaScript Debugger

[{"selector":"#anim-f4fe7e10-9947-4b53-bb54-cc51fefc5ebe","keyframes":{"opacity":[0,1]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a0fb0d4e-8822-4be3-af2f-478e8782bc3f","keyframes":{"transform":["translate3d(-103.57143%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ba91b6af-9ab5-4723-bc4e-0d58329b23e7","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-50a76bb7-a4e3-4bb8-ba10-abe44612c1f0","keyframes":{"opacity":[0,1]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a9e287ea-1a01-474d-8ef2-d165db39f0ad","keyframes":{"transform":["translate3d(-103.28767%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Locally test JavaScript code on Firefox, set breakpoints, and add watchpoints for effective debugging and error handling. Ideal for cross-browser and accessibility testing. Learn Basic to Advanced JavaScript Concepts with JavaScript Cheat Sheet! Click here

JS Bin

[{"selector":"#anim-b9b3c4d2-f2c9-4750-915e-a4b81e54ac95","keyframes":{"opacity":[0,1]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e963edc5-c405-4374-98e1-5b1c6fa98aa7","keyframes":{"transform":["translate3d(-103.57143%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ba867a09-a8f1-4cb8-aca8-a712330f312c","keyframes":{"opacity":[0,1]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-41e40274-b2f6-4fb2-90d5-dc9383f1b55f","keyframes":{"transform":["translate3d(-103.28767%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-21502116-dd99-4a0b-93f1-083fe542536d","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Free open-source tool for collaborative debugging. Debug JavaScript code and troubleshoot scripts from other developers with a suite of debugging features. Learn Basic to Advanced JavaScript Concepts with JavaScript Cheat Sheet! Click here

ESLint

[{"selector":"#anim-72579c8e-fb42-4b44-bc43-eea625ee6ec1","keyframes":{"opacity":[0,1]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-699f825c-2df9-4130-a92d-a06fd24db3ab","keyframes":{"transform":["translate3d(-103.57143%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-969c12aa-1951-41a4-8b76-d63468b24865","keyframes":{"opacity":[0,1]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8b6bf788-0a64-4a48-8196-fd89e3454d44","keyframes":{"transform":["translate3d(-103.28767%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c68650ec-6518-43e7-b7d2-1fdcf7baa288","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Analyze static code, check syntax, and improve code quality. Customize linting rules for more efficient error checking. Learn Basic to Advanced JavaScript Concepts with JavaScript Cheat Sheet! Click here

GlitchTip

[{"selector":"#anim-d012874b-9010-41c7-9ecc-30bbd560de36","keyframes":{"opacity":[0,1]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9322b8ef-070c-4dde-b467-b58aad0db8ff","keyframes":{"transform":["translate3d(-103.28767%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-164fa120-a26b-4208-ba0a-e75580f6ec0f","keyframes":{"opacity":[0,1]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-578a1859-a139-4fc6-a120-c393aff78737","keyframes":{"transform":["translate3d(-103.57143%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bb9f2050-a36a-425f-b1e2-bc6de1257165","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Open-source debugger for error tracking and logging, with capabilities to review, modify, and rerun JavaScript modules locally. Learn Basic to Advanced JavaScript Concepts with JavaScript Cheat Sheet! Click here

QUnit

[{"selector":"#anim-b324f7f8-1dff-4ab0-b457-5221ced116c8","keyframes":{"opacity":[0,1]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-19d4d2a9-06bd-4339-a920-6866cf334b42","keyframes":{"transform":["translate3d(-103.57143%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1181baf5-d036-4167-8bcf-0b85a83447e6","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ea6bc2c8-f011-40dd-932b-e0b366ea167b","keyframes":{"opacity":[0,1]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a635612f-f095-47f7-872a-4c762e1b9298","keyframes":{"transform":["translate3d(-103.28767%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] JavaScript unit testing framework used for writing and running tests for individual code components. Ideal for test-driven development. Learn Basic to Advanced JavaScript Concepts with JavaScript Cheat Sheet! Click here

Mocha

[{"selector":"#anim-670ad661-6f0a-4d2f-bb6a-b184da1a0b23","keyframes":{"opacity":[0,1]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-340b1825-a7b5-4c84-9aea-a71f4c185c78","keyframes":{"transform":["translate3d(-103.57143%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-05d83436-9b82-4f77-af1c-e5fcaf74436e","keyframes":{"opacity":[0,1]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d35fa70c-d86e-4142-8946-b30354395ea5","keyframes":{"transform":["translate3d(-103.28767%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-21a41d91-dbd4-4ec1-9248-5d2a93e4c773","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Feature-rich JavaScript testing framework for running asynchronous tests with ease. Works well with various assertion libraries. Learn Basic to Advanced JavaScript Concepts with JavaScript Cheat Sheet! Click here

Jasmine

[{"selector":"#anim-1111c1a8-afd9-4a18-9f6a-7264c626dc90","keyframes":{"opacity":[0,1]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ee2a2d7d-bd69-49f3-92a8-f18f23ea049c","keyframes":{"transform":["translate3d(-103.57143%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":390,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b062f34f-601a-4639-972f-de2e1d30a3dc","keyframes":{"opacity":[0,1]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d8dd96e3-87ea-4817-973e-ce3628ddec22","keyframes":{"transform":["translate3d(-103.83562%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":600,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ca852e46-fd8d-4aa4-be39-5ef5d8990335","keyframes":{"opacity":[0,1]},"delay":0,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Behavior-driven development (BDD) framework for testing JavaScript code. Easy to read and write test cases with descriptive syntax. Learn Basic to Advanced JavaScript Concepts with JavaScript Cheat Sheet! Click here

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[{"selector":"#anim-f0beab8d-3227-4d22-87b8-f1b532a968d4","keyframes":{"opacity":[0,1]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-12b4cd3a-e3d5-4874-af39-10f884b14287","keyframes":{"transform":["translate3d(0px, -261.69386%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-631fa674-7b0c-4a34-b5db-2a1e71243e68","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-455e512a-7cb3-4583-81f4-0162261c3838","keyframes":{"transform":["translate3d(0px, -297.52448%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Looking to Elevate your JavaScript skills? SWIPE UP