typescript / beginner
Snippet
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.
snippet.ts
typescript
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let count: number = 10;let message: string = "Hello TypeScript";let isActive: boolean = true;
Breakdown
1
let count: number = 10;
Declares a variable 'count' that must always be a number.
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let message: string = "Hello TypeScript";
Declares a variable 'message' that must always be a string.
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let isActive: boolean = true;
Declares a variable 'isActive' that must always be a boolean (true or false).