20 Javascript Tips and Tricks for Writing Better Code

Master the Art of Javascript Programming with These Insider Secrets

Fuzzy
2 min readMar 2, 2023
Photo by Claudio Schwarz on Unsplash
  1. Use descriptive variable names to make your code easier to read and understand.
  2. Use the “ESLint” tool to enforce a consistent coding style and identify potential errors.
  3. Make use of JavaScript’s built-in functions and methods to avoid reinventing the wheel.
  4. Use “arrow functions” to create concise, anonymous functions.
  5. Avoid using global variables as much as possible.
  6. Use “try-catch” statements to gracefully handle errors and exceptions in your code.
  7. Use “template literals” to create multi-line strings and embed expressions within strings.
  8. Use “destructuring” to easily extract values from objects and arrays.
  9. Use “spread operator” to expand arrays and objects in function calls and assignments.
  10. Use “default parameters” to specify default values for function arguments.
  11. Use “rest parameters” to accept an indefinite number of arguments in a function.
  12. Use “map”, “filter”, and “reduce” to transform and manipulate arrays more efficiently.
  13. Use “sets” and “maps” to store and manipulate data efficiently.
  14. Use “promises” to handle asynchronous operations in a more organized and readable way.
  15. Use “async-await” to make asynchronous code look and behave like synchronous code.
  16. Use “classes” to create reusable objects with encapsulated data and methods.
  17. Use “module exports” and “imports” to organize and reuse code across multiple files.
  18. Use “webpack” to bundle and optimize your code for the web.
  19. Use “babel” to transpile modern JavaScript code to run in older browsers.
  20. Use “Jest” for unit testing and “Enzyme” for testing React components.

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Happy Coding!

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Fuzzy

Hello there! I'm Fuzzy, an experienced self-taught full-stack web developer with over 3 years of expertise. Currently open for freelance opportunities.