Courses / Frontend Testing
6. Unit testing basics
Writing unit tests for small functions or components to verify isolated behavior.
1 min read Chapter 6 of 25
JavaScript
Unit testing basics
Unit tests are small automated checks that verify a function or component behaves as expected in isolation.
"I want to change code without breaking other parts and know right away if I did."
Unit testing means writing short code that calls a function with controlled inputs and asserts the output or behavior matches the expectation.
"I want to change code without breaking other parts and know right away if I did."
Unit testing means writing short code that calls a function with controlled inputs and asserts the output or behavior matches the expectation.