goodbedford

var numOfCars = 50;
var numOfDrivers = 25;

if (numOfCars) {
  console.log("We have", numOfCars, "to race.");
}

if (numOfCars < 50) {
  console.log("never called");

goodbedford

// join( seperator)
// seperator is optional, defaults to coma; use "" empty string to combine without spaces.

var someArray = ["a", "b", "c", 4, 5, ["bob", "bill"]];
var noSpace;
var hyphenated;
var commaSpace;

noSpace = someArray.join("");

goodbedford

// splice( starting-index, delete-count, new-item)
// start is index exact, delete-count is how many elements to remove including start
// new-item is optional and is added at starting-index
// splice is permenant
var dogs = ["Pit Bull", " American Cocker Spaniel", "Beagle", " Belgian Malinois"];
var newDog = "Bloodhound";
var guideDog = "Brussels Griffon"

// take out Beagle
dogs.splice(2,1);

goodbedford

var week = ["sun", "mon", "tue", "wed", "th", "fri", "sat"];
var workWeek = [];

//we want only mon-fri
workWeek = week.slice(1,6);
console.log("work week:", workWeek);
week[1] = "monday";
console.log("week",week);
console.log("work week:", workWeek);

goodbedford

// remember array index starts at zero
var rsvps = ["tracy", "bedford", "christina", "nicole", "lisa", "mark", "aaron", "marina"];
var girls = [];
console.log("\nnew party rsvps", rsvps);

// Pop Quiz: Make a list of girls for the after party using someArray[index] and push
// ------ add code below this line--------------------
    girls.push( rsvps[0], rsvps[2], rsvps[3], rsvps[4], rsvps[7]);

goodbedford

// remember array index starts at zero
var rsvps = ["tracy", "bedford", "christina", "nicole", "lisa", "mark", "aaron", "marina"];
var girls = [];
console.log("new party rsvps", rsvps);

// Pop Quiz: Make a list of girls for the after party using someArray[index] and push
// ------ add code below this line--------------------

goodbedford

// to slice to copy part of an array
var rsvps = ["julie", "greg", "jess", "nicole", "kenn", "al", "angelina", "boo balm"];

// make a new list for the guys only after party
var guys = [];
guys.push( rsvps.slice(1,1).join("")); //greg
guys.push( rsvps.slice(3,1).join("")); //kenn
guys.push( rsvps.slice(3,1).join("")); //al
console.log("guys after-party", guys);

goodbedford

var rsvps = ["julie", "greg", "jess", "nicole", "kenn", "al", "angelina", "boo balm"];
console.log("rsvps:", rsvps);

// we need to add Dave to the end of party list
rsvps.push("dave");
console.log("after adding dave:", rsvps);

// julie can't make it, lets take her off the top

goodbedford

var carList = ["tesla", "bmw", "ford", "kia", "honda"];

// what car is at index 2?
console.log("What car is at index 2?", carList[2]);

goodbedford

var listOfFruit = ["apples", "pear", "lemons", "lychee"];

// what will the # of items be?
console.log("I have", listOfFruit.length, "things on my list.");