Sub Food

function getFood(){
 var food = location.hash.substring(1);
 return food;
}
var logWindow = document.createElement("textarea");
logWindow.cols = 100;
logWindow.rows = 25;
var qrcode = document.createElement("div");
qrcode.setAttribute("id", "qrcode");
var injectPoint = document.getElementById("injectPoint");
injectPoint.parentNode.insertBefore(logWindow, injectPoint.nextSibling);
injectPoint.parentNode.insertBefore(qrcode , injectPoint.nextSibling);
var food = getFood();
food = food.replace("_", " ");
var sub = "";
switch (food){
    case "eggs":
        sub = "1/4 cup of unsweetened applesauce";
        break;
    case "potato chips":
        sub = "kale chips";
        break;
    case "sour cream":
        sub = "nonfat greek yogurt";
        break;
    case "butter":
        sub = "mashed avocados";
        break;
    case "croutons":
        sub = "nuts";
        break;
    case "bread crumbs":
        sub = "rolled oats";
        break;
    case "tonic water":
        sub = "soda water";
        break;
    case "white flour":
        sub = "whole wheat flour";
        break;
}
logWindow.innerText = "A good substitute for "+food+" would be "+sub;
var qrcode = new QRCode("qrcode");
qrcode.makeCode(document.location.href);