JSFiddle - React, Tailwind, and code Playground

by aanred

JavaScript

var Dog = (function(name){
    function Dog(name) {
        this.name = name;
        this.sayName();
    };
    
    Dog.prototype.sayName = function(){
        alert(this.name);
    };
    
    return Dog(name);
})();

new Dog("hahahahaha");