JSFiddle - React, Tailwind, and code Playground

JavaScript

var cars = [{name: "First"}, {name: "Second"}, {name: "Third"}];
var guns = [];

for (var i = 0; i < cars.length; i++) {
  guns.push(cars[i]);
}

console.log(guns);  // [{name: 37}, {name: "Second"}, {name: "Third"}]

cars[0].name = 37;

console.log(guns);