examples.js

/*
JS Workshop
*/

// Variable assignment

var name = "Jenn";
var age = 5;
var sentence = name + " is " + age + " years old.";

// if statements

if (age >= 21) {
  var sentence3 = name + " is an adult.";
} else if (age >= 13) {
  var sentence2 = name + " is a teenager.";
} else {
  var sentence4 = "Unknown.";
}

// while loop (don't use for loops until you master the while loop!)

var counter = 1;

while (counter <= 5) {
  console.log('Hello, world!');
  counter = counter + 1;
}

// strings

var str = "Hello, I am a string";
var str2 = 'I am also a string';
var str3 = str.toUpperCase();
var char1 = str[0];
var length = str.length;
var strings = str.split(',');
var str4 = "ABC";
var str5 = 'DEF';
var combinedString = str4 + str5;

// arrays

var array = [1, 2, 3, 4, 5];
var lengthOfArray = array.length;
var firstElementOfArray = array[0];
var fifthElementOfArray = array[4];

var i = 0;
while (i < array.length) {
  console.log(array[i]);
  i = i + 1;
}

// or loop through a string

// functions

function hello() {
  console.log('Hello world');
}

hello();

function helloTo(subject) {
  console.log('Hello ' + subject);
}

helloTo('Ahmad');

//