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JS Recursive getLength of Array

Energetic Eel answered on September 18, 2021 Popularity 1/10 Helpfulness 1/10

answer JS Recursive getLength of Array

JS Recursive getLength of Array

Comment

function getLength(array) {
    return 0 in array ? 1 + getLength(array.slice(1)) : 0;
}

console.log(getLength([1]));             // 1
console.log(getLength([1, 2]));          // 2
console.log(getLength([1, 2, 3, 4, 5])); // 5
console.log(getLength([], 0));           // 0

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: javascript

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