We can merged two or more objects in JS using spread operator but it override the value with same key name.
let object1 = {name:'Vipin Katiyar',age:35};
let object2 = {name:'Umesh Yadav',gender:'Male'};
let merged_obj = {...object1,...object2};
console.log(merged_obj);
//Output : {name: "Umesh Yadav", age: 35, gender: "Male"}