JSFiddle - React, Tailwind, and code Playground

by btipling

JavaScript

function Thing() {
}
Thing.prototype.foo = "bar";
Thing.prototype.logFoo = function () { 
    var self = this;
    function doIt() {
        console.log(self.foo);
    }
    doIt();
}

function doItIndirectly(method) {
    method();
}


var thing = new Thing();
thing.logFoo(); //logs "bar"
doItIndirectly(thing.logFoo); //logs undefined