What this snippet does
Tuples are excellent for representing structured, predictable pairs of data like status codes and payloads.
Expected output
Status: 200, Message: OK
Why practise typing this
Typing basic types code builds muscle memory for the symbols and indentation TypeScript uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.
More TypeScript practice
- Declaring variables with primitive typesBasic Types · beginner
- Typing function parameters with primitivesBasic Types · beginner
- Assigning a string to a number variableBasic Types · beginner
- Defining an array of numbersBasic Types · beginner
- Processing a list of user IDsBasic Types · beginner
- Pushing a wrong type to a typed arrayBasic Types · beginner