spread operator es6 javascript example
Example 1: spread operator in javascript
let numList = [1,2,3];
let numListClone = [...numList];
let animal = {
name: 'dog',
color: 'brown',
age: 7
};
let { age, ...otherProperties } = animal;
function sum(x, y, ...rest) {}
let numLists = [...numList1, ...numList2];
let animalWithBreed = {
...animal,
breed: '',
}
Example 2: spread operator javascript
const parts = ['shoulders', 'knees'];
const lyrics = ['head', ...parts, 'and', 'toes'];
Example 3: spread operator javascript
let obj1 = { foo: 'bar', x: 42 };
let obj2 = { foo: 'baz', y: 13 };
let clonedObj = { ...obj1 };
let mergedObj = { ...obj1, ...obj2 };