JSFiddle - React, Tailwind, and code Playground

by vanessachem

JavaScript

function Rec(w,h) {
    this.setW=function(newW){
        w=newW;
    }
    this.area=function(){
        return w*h;
    }
}

var rec=new Rec(5,6);
rec.setW(2);
//alert("W",rect.w);
alert(rec.area())