how do you iterate through an object javascript code example

Example 1: javascript loop through object

Object.entries(obj).forEach(
    ([key, value]) => console.log(key, value)
);

Example 2: loop through object js

var obj = {
  first: "John",
  last: "Doe"
};

//
//	Visit non-inherited enumerable keys
//
Object.keys(obj).forEach(function(key) {

  console.log(key, obj[key]);

});