const items = ['a', 'b', 'c', 'd', 'e'];

// prints 0, 1, 2, 3, 4
for (const i in items) {
  console.log(items[i]);
}

// prints a, b, c, d, e
for (const item of items) {
  console.log(item);
}

console.log(items.includes('c'));


1.4_array_advanced.js

1.4_array_basic.js

// This is a array
const names = ['Hayden', 'Jake', 'Nick', 'Emily'];

console.log(`1 ${names}`);
console.log(`2 ${names[0]}`);
names[1] = 'Jakeo';
names.push('Rani');
console.log(`3 ${names}`);


1.4_arrays.js

1.4_combining.js

int minimum(int a, int b) {
  if (a > b) {
  	return b;
  } else {
  	return a;
  }
}

1.4_compare_1.c

function minimum(a, b) {
  if (a > b) {
    return b;
  } else {
    return a;
  }
}


1.4_compare_1.js

#include <stdio.h>

int minimum(int a, int b) {
  if (a > b) {
  	return b;
  } else {
  	return a;
  }
}

int main(int argc, char* argv[]) {
  printf("%d\n", minimum(3, 5));
}

1.4_compare_2.c

function minimum(a, b) {
  if (a > b) {
    return b;
  } else {
    return a;
  }
}

console.log(minimum(3, 5));


1.4_compare_2.js

1.4_control_structures.js

1.4_functions.js

const z = 3;
function hello(a, b, c) {
  return `${a} ${b}`;
}


1.4_intro.js

const userData = {};
userData.name = 'Sally';
userData.age = 18;
userData.height = '187cm';
console.log(userData);


1.4_object_basic1.js

const userData = {
  name: 'Sally',
  age: 18,
  height: '187cm',
};
console.log(userData);


1.4_object_basic2.js

const userData = [
  {
    name: 'Sally',
    age: 18,
    height: '186cm',
  }, {
    name: 'Bob',
    age: 17,
    height: '188cm',
  },
];

const keys = Object.keys(userData);
const entries = Object.entries(userData);
console.log(keys);
console.log(entries);


1.4_object_loop1.js

1.4_object_loop2.js

1.4_object_loop3.js

const arr = [1, 2, 3];
console.log(arr.length);
console.log(arr.includes(3));


1.4_object_model.js

// You can assign more keys even
//  after creation
const userData = {
  name: 'Sally',
  age: 18,
};
userData.height = '187cm';

console.log(userData);


1.4_object_more1.js

// You can reference keys with either
//  obj.key or obj['key']
const userData = {};
userData.name = 'Sally';
userData.age = 18;
userData.height = '187cm';
console.log(userData);


1.4_object_more2.js

const userData = {
  name: 'Sally',
  age: 18,
  height: '187cm',
};

const keys = Object.keys(userData);
const entries = Object.entries(userData);
const values = Object.values(userData);

console.log(keys);
console.log(entries);
console.log(values);


1.4_object_props_1.js

const userData = {
  name: 'Sally',
  age: 18,
  height: '187cm',
};

for (const key in userData) {
  console.log(key);
}

if ('name' in userData) {
  console.log('Has name key');
}


1.4_object_props_2.js

const student = {
  name: 'Emily',
  score: 99,
  rank: 1,
};

console.log(student);
console.log(student.name);
console.log(student.score);
console.log(student.rank);

student.height = 159;
console.log(student);


1.4_objects.js

// We can easily join strings together!
let sentence = 'My';
sentence = sentence + ' name is';
sentence += ' Pikachu';
console.log(sentence);

// If you need to mix variables and
//  strings, you can create a string literal
const age = 7;
const name = 'Hayden';
const phrase = `Hello! My name is ${name} and I am ${age}`;
console.log(phrase);


1.4_strings.js

// Variables declared with "let"
//  can be modified after definition
const years = 5;

// Variables declared with "const"
//  cannot be modified after definition
const name = 'Giraffe';
const age = 18;
const height = 2048.11;
const notexist = undefined;
const existbutnothing = null;

// You print with console.log
console.log(years);
console.log(name);
console.log(height);

// Double and single apostrophes are equivalent
console.log('Hello!');
console.log('how are you?');
