sorts products by price on yemeksepeti.com

yemeksepeti_price_sort.js

// ==UserScript==
// @name         Yemeksepeti
// @namespace    https://*.yemeksepeti.com/*
// @version      0.1
// @description  sorts products by price on yemeksepeti.com
// @author       dorukcan kişin
// @author       https://twitter.com/johnpaulziller
// @grant        none
// ==/UserScript==

String.prototype.toFloat = function(){
    return parseFloat(this);
}

var detailBoxes = document.getElementsByClassName('restaurantDetailBox');

for(index=0;index<detailBoxes.length;index++){
    var list = detailBoxes[index].getElementsByTagName('ul')[0];

    var items = list.childNodes;
    var itemsArr = [];
    for (var i in items) {
        if (items[i].nodeType == 1) { // get rid of the whitespace text nodes
            itemsArr.push(items[i]);
        }
    }

    itemsArr.sort(function(a, b) {    
        return getPrice(a) == getPrice(b)
        ? 0
        : (getPrice(a) > getPrice(b) ? 1 : -1);
    });

    for (i = 0; i < itemsArr.length; ++i) {
        list.appendChild(itemsArr[i]);
    }
}

function getPrice(element){
    return element.getElementsByClassName('newPrice')[0].innerText.replace(' TL', '').replace(',', '.').toFloat();
}