console.log("Drop it");
//Given the array arr, iterate through and remove each element starting from the first element (the 0 index) until the function func returns true when the iterated element is passed through it. Then return the rest of the array once the condition is satisfied, otherwise, arr should be returned as an empty array.
//Resources to solve this: [Array.prototype.findIndex()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex), [Conditional (ternary) Operator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Conditional_Operator), [JavaScript Operators](https://www.w3schools.com/js/js_operators.asp), [javascript-splice-vs-slice](http://www.tothenew.com/blog/javascript-splice-vs-slice/),
function dropElements(arr, func) {
  console.log(arr.slice(arr.findIndex(func) >= 0
    ? arr.findIndex(func): arr.length, arr.length));//Used for debugging
  return arr.slice(arr.findIndex(func) >= 0
    ? arr.findIndex(func): arr.length, arr.length);
};
// test here
dropElements([1, 2, 3, 4], function(n) {return n >= 3;});
console.log("<----------------------next exercise------------------------->");

console.log("Steamroller");
//Flatten a nested array. You must account for varying levels of nesting.
function steamrollArray(arr) {
  let myArr = [].concat(...arr);
  console.log(myArr);//Debugging
  //console.log(myArr.some(Array.isArray) ? steamrollArray(myArr) : myArr);//Debugging
  return myArr.some(Array.isArray)
    ? steamrollArray(myArr) : myArr;
   //console.log(myArr); //Debugging
};
// test here
steamrollArray([[["a"]], [["b"]]]);// should return ["a", "b"].
steamrollArray([1, [2], [3, [[4]]]]);// should return [1, 2, 3, 4].
steamrollArray([1, [], [3, [[4]]]]);// should return [1, 3, 4].
steamrollArray([1, {}, [3, [[4]]]]);// should return [1, {}, 3, 4].
console.log("<----------------------next exercise------------------------->");