JSFiddle - React, Tailwind, and code Playground

JavaScript

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

var newObj = {};
for(var i = 0; i < json.length; i++){
    for(x in json[i]){
        console.log(x);
        newObj[x] = json[i][x];       
    }
}

console.log(newObj);