AlgoDaily - Implement Array.flat

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function flat(array, depthLevel = 1) {
    let result = [];
    array.forEach((item) => {
        // if the item of the main array is an array itself, call the method recursively 
        // to check the elements inside
        if (Array.isArray(item) && depthLevel > 0) {
            result.push(...flat(item, depthLevel - 1));
        } else result.push(item); // else, push the object into the result
    });
    return result;
}
​

OUTPUT

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