es6 loop through object

1for (var [key, value] of phoneBookMap) {
2  console.log(key + "'s phone number is: " + value);
3}
4

1const object = {a: 1, b: 2, c: 3};
2
3for (const property in object) {
4  console.log(`${property}: ${object[property]}`);
5}

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

1for (let key in yourobject) {
2   if (yourobject.hasOwnProperty(key)) {
3      console.log(key, yourobject[key]);
4   }
5}
6