iterate key value object javascript

'use strict';
// ECMAScript 2017
const object = {'a': 1, 'b': 2, 'c' : 3};
for (const [key, value] of Object.entries(object)) {
  console.log(key, value);
}for (const [key, value] of Object.entries(object1)) {
  console.log(`${key}: ${value}`);
}
const fruits = { apple: 28, orange: 17 }

for(key in fruits){
	console.log(key)
}