Typescript - Finding Array Length

TypeScript - JavaScript's Superset (Article) (Program)

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1. Typescript - Finding Array Length

Typescript - Finding Array Length

Create a function "arrLength" that takes an array as input that accept any type of array, calculate the number of elements present in it and return it. Use the function to find out the length of the array. Define proper types as and when required - return type and the param type of the function argument should be mentioned.

Sample Input 1:

["hi", "there"]

Sample Output 1: 2

Sample Input 2: [1,5,4]

Sample Output 2: 3

Given Input:

Expected Output:

Program:

function arrLength<T>(arr: T[]): number {
  return arr.length;
}

Output:

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