introductionjavascript.js

// numbers //

// adding the datatype number//
80 + 80   

// adding the booleans and number//
true + 1

// adding number and string//

5 + "foo"

// strings //

// concatenates strings together //
"love" + "hurt" + "hate" + "food"

// strings are true for they are the same character and spaces"

"Patch my boat with chewing gum." == "Patch my boat with chewing gum."

// string turned into an array //
"chinenyemlovesfrankeandrueben" .split("")

//array//

// length of the array//
["c", "h", "i", "n", "e", "n", "y", "e", "m", "l", "o", "v", "e", "s", "f", "r", "a", "n", "k", "e", "a", "n", "d", "r", "u", "e", "b", "e", "n"] .length

// reverse the array including a string //
[4, "love", 8] .reverse ("")

//push array//
var fruits = ["Banana", "Orange", "Apple", "Mango"];
undefined
fruits.push("Kiwi");
5
fruits
["Banana", "Orange", "Apple", "Mango", "Kiwi"]

// function

var arr = [];
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";
arr[3] = "Kai Jim";
arr[4] = "Borge";
"Borge"
var arr = [];
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";
arr[3] = "Kai Jim";
arr[4] = "Borge";

console.log(arr.join());
arr.splice(2, 0, "Lene");
console.log(arr.join());
Jani,Hege,Stale,Kai Jim,Borge VM2264:9
Jani,Hege,Lene,Stale,Kai Jim,Borge VM2264:11
undefined


function chinenyem = function(x, y)

function chinenyem(x, y) {
	return "howard"
}



function clickHandler() {
     alert("Hello, World!");
  }
   return clickHandler

// object //

// this is an example of a mutation. turning propertyName into length
// and text into mainline//

var propertyName = "length";
var text = "mainline";

propertyName + text 

//booleans

[ 2,4,8, 6] > [1,1,1,1]
true

var love = 5
undefined
var hate = 6
undefined
love < hate
true

var love = 5
undefined
var hate = 6
undefined
love < hate
true
var cat =10
undefined
var car =1
undefined
car + cat === love + hate
true

var chinedu = 500;
undefined
chinedu = chinedu - 100;
console .log(chinedu);
undefined
400



var mouse = function(b){
       
	return b * 19;
};
 mouse(2);


function house(a,b,c) {
     var bedroom = (a);
 	 var office = (b);
 	 var kitchen = (c);
 	 var buildhouse = bedroom + office + kitchen;

       return buildhouse;
 }

  house('mom room,' , 'mom office' , 'mom kitchen');