Check if a Variable Is a String in TypeScript

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.


TypeScript Array TypeScript Boolean TypeScript String TypeScript Import TypeScript React TypeScript Interface TypeScript Object TypeScript Operator TypeScript Class TypeScript File TypeScript Version TypeScript Datatype TypeScript Type TypeScript Map TypeScript JSON TypeScript Function TypeScript Date TypeScript Keyword TypeScript npm TypeScript Constructor TypeScript Undefined TypeScript Casting

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