concat objects js code example
Example 1: 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 2: 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);
Example 3: concat object
const obj1 = { food: 'pizza', car: 'ford' };
const obj2 = { animal: 'dog' };
const obj3 = { ...obj1, ...obj2 };
console.log(obj3);