[рони]

NovichokJS,

const createArrOfFunc = (number = 0) => {
    if (typeof number !== 'number') { return null; }
    let arr = [];
    for (let i = 0; i < number; i += 1) {
        function func() {
            return i;
        };
        arr.push(func);
    }

    return arr;
}
console.log(createArrOfFunc(9)[5]());
console.log(createArrOfFunc());
console.log(createArrOfFunc('test'));