1const students = {
2  adam: {age: 20},
3  kevin: {age: 22},
4};
5
6Object.entries(students).forEach(student => {
7  // key: student[0]
8  // value: student[1]
9  console.log(`Student: ${student[0]} is ${student[1].age} years old`);
10});
11/* Output:
12Student: adam is 20 years old
13Student: kevin is 22 years old
14*/

1Object.keys(obj).forEach(function(key) {
2  console.log(key, obj[key]);
3});

1const obj = {
2  name: 'Jean-Luc Picard',
3  rank: 'Captain'
4};
5
6// Prints "name Jean-Luc Picard" followed by "rank Captain"
7Object.entries(obj).forEach(entry => {
8  const [key, value] = entry;
9  console.log(key, value);
10});

1/* Answer to: "foreach object javascript" */
2
3const games = {
4  "Fifa": "232",
5  "Minecraft": "476"
6  "Call of Duty": "182"
7};
8
9Object.keys(games).forEach((item, index, array) => {
10  let msg = `There is a game called ${item} and it has sold ${games[item]} million copies.`;
11  console.log(msg);
12});
13
14/*
15  The foreach statement can be used in many ways and with object can make
16  development a lot easier.
17  
18  A link for for more information on this can be found below and in the source:
19  https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach
20*/

1const obj = {
2  a: "aa",
3  b: "bb",
4  c: "cc",
5};
6//This for loop will loop through all keys in the object.
7// You can get the value by calling the key on the object with "[]"
8for(let key in obj) {
9  console.log(key);
10  console.log(obj[key]);
11}
12
13//This will return the following:
14// a
15// aa
16// b
17// bb
18// c
19// cc

1Add thisvar p = {
2    "p1": "value1",
3    "p2": "value2",
4    "p3": "value3"
5};
6
7for (var key in p) {
8    if (p.hasOwnProperty(key)) {
9        console.log(key + " -> " + p[key]);
10    }
11}