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
// peariterate 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
// pearloop an object properties in ts
Object.keys(obj).forEach(e => console.log(`key=${e} value=${obj[e]}`));javascript iterate through object properties
var person={
first_name:"johnny",
last_name: "johnson",
phone:"703-3424-1111"
};
for (var property in person) {
console.log(property,":",person[property]);
}javascript loop through object values
var myObj = {foo: "bar", baz: "baz"};
Object.values(myObj).map((val) => {
console.log(val);
})
// "bar" "baz"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 over object
const object = {a: 1, b: 2, c: 3};
for (const property in object) {
console.log(`${property}: ${object[property]}`);
}Copyright © 2021 Codeinu
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