javascript loop through object
Object.entries(obj).forEach(
([key, value]) => console.log(key, value)
);javascript loop through object
Object.entries(obj).forEach(
([key, value]) => console.log(key, value)
);loop through object javascript
var p = {
"p1": "value1",
"p2": "value2",
"p3": "value3"
};
// for-in
for (var key in p) {
if (p.hasOwnProperty(key)) {
console.log(key + " -> " + p[key]);
}
}
// for-of with Object.keys()
for (var key of Object.keys(p)) {
console.log(key + " -> " + p[key])
}
// Object.entries()
for (let [key, value] of Object.entries(p)) {
console.log(`${key}: ${value}`);
}object loop in javascript
const object = { a: 1, b: 2, c: 3 };
for (const property in object) {
console.log(`${property}: ${object[property]}`);
}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)js loop through object
const obj = { a: 1, b: 2, c: 3 }
for (const [key, value] of Object.entries(obj)) {
console.log(key, value)
}Copyright © 2021 Codeinu
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