Check if a Variable Is a String in TypeScript
This article will discuss checking if a variable is a string in TypeScript. TypeScript Types TypeScript is a superset of the JavaScript language where the type checking is taken place at compile time. Whenever a variable, function, or argument is declared, TypeScript allows us to assign the types explicitly, which assists in identifying the errors in advance. // variable declaration and assignment let stringTypeVariable: string = 'Hello world'; let booleanTypeVariable: boolean = true; let numberTypeVariable: number = 10; // function declaration function calculateSum(numOne: number, numTwo: number): number { return numOne + numTwo; } the string Type in TypeScript TypeScript string type holds a collection of characters.
Jan 30, 2023
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TypeScript String
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