PART 01
Build reliable foundations
- 01Read JSON and validate its shapeConvert between text and JavaScript values and validate fields before use.
- 02URLs, query parameters, and encodingBuild request URLs safely with URL and URLSearchParams.
- 03Fetch, promises, and async/awaitAwait requests and distinguish network completion from HTTP success.
- 04Loading, empty, and error statesRender loading, empty, success, and failure states explicitly.