JSFiddle - React, Tailwind, and code Playground

JavaScript

var x = [{"Name": "Nikhil","Surname": "Agrawal"},{"profession": "java developer","experience":"2 years"},{"company": "xyz","city":"hyderabad"}];

var y = x[0];

for(var i = 1; i<x.length; i++){
    $.extend(y,x[i]);
}

console.log(y);