Code Quality.

Linting, formatting, code review, and maintainability. Covers 10 sub-skills.

• Code Quality · 1 of 3

  Code Documentation

  What JSDoc tag documents a function parameter?

  A@argumentB@parameterC@inputD@param

• Code Quality · 2 of 3

  Refactoring Techniques

  What is the 'Move Function' refactoring?

  AMoving a function from the bottom of a file to the topBExtracting a function from a class into a standalone moduleCConverting a named function to an arrow functionDRelocating a function to where it most logically belongs

• Code Quality · 3 of 3

  Refactoring Techniques

  What is the 'Parallel Change' (expand-contract) refactoring strategy?

  ARunning old and new code on parallel threads and comparingBAdd the new interface, migrate callers, then drop the old oneCMaking the same change across several services at onceDMaking the change on a parallel branch and merging after tests