TypeScript · Beginner
Simple Interfaces
Interfaces are used to describe the shape of an object. They act as a contract for what properties an object should have.
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Beginner TypeScript exercises
Read these Beginner TypeScript snippets line by line — each one comes with a written breakdown of what the code does and why.
TypeScript · Beginner
Type Annotations
Type annotations allow us to explicitly specify the type of a variable. This helps the compiler catch errors if we try to assign a value of the wrong type.
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Basic Function Types
In TypeScript, you can define the types of the parameters a function receives and the type of the value it returns.
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