Choose the correct explicit variable declaration:

Problem Statement

Explanation

Use a colon after the variable name to add a type annotation. `let` is block-scoped and reassignable; `const` is block-scoped and not reassignable; `var` is function-scoped and generally avoided due to hoisting quirks.

Code Solution

SolutionRead Only

let count: number = 0;
const name: string = 'Ava';
var legacy: boolean = false; // function-scoped

Practice Sets

This question appears in the following practice sets:

Core Types, Variables, Basics

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Choose the correct explicit variable declaration:

Problem Statement

Explanation

Code Solution

Practice Sets

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Choose the correct explicit variable declaration:

Problem Statement

Explanation

Code Solution

Practice Sets

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Which are primitive types in TypeScript?

unknown is best described as…

never typically represents…

Which compiler flag primarily prevents implicit any?

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Anywhere, Anytime