JSFiddle - React, Tailwind, and code Playground

JavaScript

var sad = function () {
    
    // Redefine sad so it becomes a new function that returns an object with a stop method
    sad = function () {
        return {
            stop: function () {
                alert('Stopped being sad');
            }
        }
    }
    
    // Return true the first time
    return true;
}

if ( sad() === true) {
    sad().stop();
}