JSFiddle - React, Tailwind, and code Playground

HTML

<h3>Use a firebug console or Chrome tools JS console and hit run</h3>

JavaScript

function hello(firstname, surname, city) {
        console.log('Hi ' + firstname + ' ' +
                            surname + '. I see you\'re from ' + city + '!');
}
                    
(function(){
    hello('Jane','Mansfield','Philadelphia');
    hello.call(this,'Jane','Mansfield','Philadelphia');
})()