JSFiddle - React, Tailwind, and code Playground

by Tim Morgan

HTML

<div></div>

JavaScript

// Fill in the code so multiply takes an array of numbers and returns multiplying them all together
function multiply(arr) {
    var result = 1;
    for(var i = 0; i < arr.length; i++) {
        result = result * arr[i];
    }
    return result;
}

function mulTwoByFour() {
    return multiply([2,4]);
}
alert(mulTwoByFour());

console.log( multiply([1,2,-1,4,5,6,67,8,9]) );
console.log( multiply([1,2]) );
console.log( multiply([+(prompt("Hey enter something")), +(prompt("enter another number"))]) );