JSFiddle - React, Tailwind, and code Playground

by mcanepa

JavaScript

function FunctionMain (){};

FunctionMain.FunctionSub = new FunctionSub();

function FunctionX1()
{
    FunctionX1.prototype.commonFunction = function()
    {
        console.log("Hello, I'm X1");
    }
    
    FunctionX1.prototype.myOwnFunctionX1 = function()
    {
        console.log("This my own function");
    }    
}

function FunctionX2()
{
    FunctionX2.prototype.commonFunction = function()
    {
        console.log("Hello, I'm X2");
    }
    
    //I don't have myOwnFunctionX2()
}

function FunctionSub()
{
    FunctionSub.prototype.FunctionX1 = new FunctionX1();
    FunctionSub.prototype.FunctionX2 = new FunctionX2();
}

//This call works!
FunctionMain.FunctionSub.FunctionX1.commonFunction();
FunctionMain.FunctionSub.FunctionX2.commonFunction();


//what kind of test should I use?
if(typeof "FunctionMain.FunctionSub.FunctionX1.myOwnFunctionX1" == "function")
{
    console.log("It exists!");
}

if(typeof window["FunctionMain.FunctionSub.FunctionX1.myOwnFunctionX1"] == "function")
{
    console.log("It exists!");
}