object for loop
const object = {a: 1, b: 2, c: 3};
for (const property in object) {
console.log(`${property}: ${object[property]}`);
}object for loop
const object = {a: 1, b: 2, c: 3};
for (const property in object) {
console.log(`${property}: ${object[property]}`);
}for in object javascript
var obj = { foo: 'bar', baz: 42 };
Object.keys(obj).forEach((key) => {
const el = obj[key];
console.log(
{
key: key,
value: el
}
);
});js for in object
var obj = { foo: 'bar', baz: 42 };
console.log(Object.entries(obj)); // [ ['foo', 'bar'], ['baz', 42] ]
for(const [i, val] of Object.entries(obj))
new_obj[i] = val;for each of object
Object.keys(object).map(function(objectKey, index) {
var value = object[objectKey];
console.log(value);
});use these instead of a for loop javascript
const array = [1, 2, 3];array.forEach(function(elem, index, array) { array[index] = elem * 2;});console.log(array); // [2,4,6]use these instead of a for loop javascript
const array = [1,2,3,4,5];const evenNumbers = array.filter(function(elem) { // expressions that return 'true' are retained return elem % 2 == 0;});Copyright © 2021 Codeinu
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