fibonacciSolution.js

function fibonacciGenerator(n) {
    var output = []
    if (n === 1){
        output = [0];
    }
    else if(n === 2){
        output = [0, 1];
    }
    else{
        output = [0, 1];

        for (var i = 2; i < n; i++) {
            output.push(output[output.length - 2] + output[output.length - 1]);
        }
    }
    return output;
}

output = fibonacciGenerator(5);
console.log(output)