loop object keys javascript code example

Example 1: javascript loop through object

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

Example 2: iterate over object javascript

// Looping through arrays created from Object.keys
const keys = Object.keys(fruits)
for (const key of keys) {
  console.log(key)
}

// Results:
// apple
// orange
// pear

Example 3: loop over keys in object javascript

Object.keys(obj).forEach(function(key) {
  console.log(key, obj[key]);
});

Example 4: javascript iterate object key values

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

Example 5: javascript iterate over object keys and values

const object1 = {
  a: 'somestring',
  b: 42
};

for (let [key, value] of Object.entries(object1)) {
  console.log(`${key}: ${value}`);
}

// expected output:
// "a: somestring"
// "b: 42"
// order is not guaranteed

Example 6: loop key in object

const fruits = { apple: 28, orange: 17 }

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