Answers for "iterating through objects javascript"

85

javascript loop through object

Object.entries(obj).forEach(
    ([key, value]) => console.log(key, value)
);
Posted by: Guest on February-15-2020
8

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
Posted by: Guest on September-23-2019
10

javascript iterate over object

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

Object.keys(obj).forEach(function(key) {
    console.log(key, obj[key]);
});
Posted by: Guest on September-11-2019
3

javascript loop through object

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

// Loop using forEach
arr.forEach((item, index) => {
    // TODO
})

// Loop using for...of
for (const item of arr) {
    await something()
}

// Clone new array (not changing the old one)
const arr = [1,2,3]
const newArray = arr.map(item => item * 2)
console.log(newArray)

// Filter array by condition
const arr = [1,2,3,1]
const newArray = arr.filter(item => {
    if (item === 1) { return item }
})
console.log(newArray)

// Join array
const arr1 = [1,2,3]
const arr2 = [4,5,6]
const arr3 = [...arr1, ...arr2]
console.log(arr3)

// Get a property of object
const { email, address } = user
console.log(email, address)

// Copy object/array
const obj = { name: 'my name' }
const clone = { ...obj }
console.log(obj === clone)
Posted by: Guest on April-12-2020
0

iterate over object javascript

// For a functional one-liner
Object.keys(pokemons).forEach(console.log);
// Bulbasaur
// Charmander
// Squirtle
// Pikachu
Posted by: Guest on November-07-2020

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