javascript looping through object

JavaScript
var obj = {a: 1, b: 2, c: 3};

for (const prop in obj) {
  console.log(`obj.${prop} = ${obj[prop]}`);
}

// Salida:
// "obj.a = 1"
// "obj.b = 2"
// "obj.c = 3"const fruits = {
  apple: 28,
  orange: 17,
  pear: 54,
}

const values = Object.values(fruits)
console.log(values) // [28, 17, 54]
for (var property in object) {
  if (object.hasOwnProperty(property)) {
    // Do things here
  }
}
const fruits = {
  apple: 28,
  orange: 17,
  pear: 54,
}

const entries = Object.entries(fruits)
console.log(entries)
// [
//   [apple, 28],
//   [orange, 17],
//   [pear, 54]
// ]
const fruits = {
  apple: 28,
  orange: 17,
  pear: 54,
}

const keys = Object.keys(fruits)
console.log(keys) // [apple, orange, pear]
for (const [fruit, count] of entries) {
  console.log(`There are ${count} ${fruit}s`)
}

// Result
// There are 28 apples
// There are 17 oranges
// There are 54 pears

Source

Also in JavaScript: