About Utility Functions

Build commonly-used utility functions that appear in nearly every JavaScript codebase. Problems like debounce, throttle, deep clone, and memoize test your ability to manage state, timing, and recursion. These are practical problems that demonstrate real-world engineering skills beyond academic algorithm knowledge.

Practice 8 interactive coding problems with step-by-step execution visualization.

Utility Functions

Debounce, throttle, deep clone, memoize

Problems8 problems