Merge two arrays

This function merges two arrays into one.

JavaScript:

let merge = (arr1, arr2) => [...arr1, ...arr2];

// Example
console.log(merge([1, 2, 3], [4, 5, 6])); // [1, 2, 3, 4, 5, 6]
console.log(merge(['a', 'b'], ['c', 'd'])); // ['a', 'b', 'c', 'd']

TypeScript:

let merge = (arr1: T[], arr2: T[]): T[] => [...arr1, ...arr2];

// Example
console.log(merge([1, 2, 3], [4, 5, 6])); // [1, 2, 3, 4, 5, 6]
console.log(merge(['a', 'b'], ['c', 'd'])); // ['a', 'b', 'c', 'd']
Member since January 2, 2019

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