JSFiddle - React, Tailwind, and code Playground

JavaScript

function funcA(something){
    return {
        funcB: function(bSomething){
            alert("this is funcB, your parameter to funcA was " + this.aVar + " and you passed " + bSomething +" to this function");
        },
        aVar: something
    };  
}

funcA("'my value'").funcB("'my val b'");