1// Get keys of a dictionary
2let dict = { a:1 , b:2 , c:3 }
3
4console.log( Object.keys(dict) ) // expected output : ['a', 'b', 'c']

1Object.keys(object).find(key => object[key] === value)

1Object.values(obj)

1const person = {
2  name: 'Bob',
3  age: 47
4}
5
6Object.keys(person).forEach((key) => {
7  console.log(person[key]); // 'Bob', 47
8});

1var myObj = {no:'u',my:'sql'}
2var keys = Object.keys(myObj);//returnes the array ['no','my'];

1var obj = {
2   a: "A",
3   b: "B",
4   c: "C"
5}
6
7console.log(obj.a);  // return string : A
8
9var name = "a";
10console.log(obj[name]);