how to add two objects in javascript code example

Example 1: how to add two attay into object in javascript

var keys = ['foo', 'bar', 'baz'];
var values = [11, 22, 33]

var result =  Object.assign.apply({}, keys.map( (v, i) => ( {[v]: values[i]} ) ) );
console.log(result); //returns {"foo": 11, "bar": 22, "baz": 33}

Example 2: merge two objects javascript

const object1 = {
  name: 'Flavio'
}

const object2 = {
  age: 35
}
const object3 = {...object1, ...object2 } //{name: "Flavio", age: 35}

Example 3: javascript merge objects

var person={"name":"Billy","age":34};
var clothing={"shoes":"nike","shirt":"long sleeve"};

var personWithClothes= Object.assign(person, clothing);//merge the two object

Example 4: merge two objects javascript

Object.assign(target, sourceObj1, sourceObj2, ...);

Example 5: 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 6: merge objects js

/* For the case in question, you would do: */
Object.assign(obj1, obj2);

/** There's no limit to the number of objects you can merge.
 *  All objects get merged into the first object. 
 *  Only the object in the first argument is mutated and returned.
 *  Later properties overwrite earlier properties with the same name. */
const allRules = Object.assign({}, obj1, obj2, obj3, etc);