JSFiddle - React, Tailwind, and code Playground

JavaScript

function sayNameForAll(label) {
    console.log(label + ":" + this.name);
}
var person1 = {
    name: "Nicholas"
};
var person2 = {
    name: "Greg"
};
var name = "Michael";
sayNameForAll.call(this, "global");
sayNameForAll.call(person1, "person1");
sayNameForAll.call(person2, "person2");