javascript object concat code example

Example 1: how to merge two objects into one in javascript

let obj1 = { foo: 'bar', x: 42 };
let obj2 = { foo: 'baz', y: 13 };

let clonedObj = { ...obj1 };
// Object { foo: "bar", x: 42 }

let mergedObj = { ...obj1, ...obj2 };
// Object { foo: "baz", x: 42, y: 13 }

Example 2: concat object

const obj1 = { food: 'pizza', car: 'ford' };
const obj2 = { animal: 'dog' };

const obj3 = { ...obj1, ...obj2 };
console.log(obj3);

Example 3: react merge two objects

const object1 = {
  name: 'Flavio'
}

const object2 = {
  age: 35
}

const object3 = {...object1, ...object2 }