JSFiddle - React, Tailwind, and code Playground
JavaScript
var obj1 = [
{title: 'title one'},
{title: 'title four'}
];
var obj2 = [
{title: 'title one', img:'..'},
{title: 'title two', img:'..'},
{title: 'title three', img:'..'},
{title: 'title four', img:'..'}
];
var obj = $.merge(obj2, obj1);
console.log(obj);