TypeScript

Declaring variables with primitive types in TypeScript

TypeScriptBasic TypesPrimitive typesbeginner

What this snippet does

TypeScript primitives enforce the exact shape of data at compile time.

Expected output

hello 42 true

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

Browse all TypeScript snippets →