codingwithrachel

//All, none, any

Array.prototype.all = function (p) {
  return this.length > 0 && this.filter(p).length === this.length;
};

Array.prototype.none = function (p) {
  return this.filter(p).length === 0;
};

codingwithrachel

//spiral

var spiral = function(n){

    var direction;
    x=0
    y=0
    resultArray = [[0,0]]
    for (var k=1; k < n; k++){
        direction = k%2;

codingwithrachel

//reverse string

function solution(str){
  if(str === "") return "";
  return solution(str.substr(1,str.length-1)) + str[0];
}


//fibonacci numbers
function fibonacci(num) {