Amazon Best Seller Page filter for temper monkey

Amazon Best Seller Page filter.js

// ==UserScript==
// @name         Filter Amazon
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://www.amazon.in/gp/bestsellers/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=amazon.in
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    window.onload = function(){
    	window.scrollTo(0, document.body.scrollHeight);
        window.document.body.scrollTo(0, document.body.scrollHeight);
        setTimeout(function(){
            window.document.body.scrollTo(0, document.body.scrollHeight);

            var input_rate = parseFloat(prompt('Ratting:'))
            var input_review_count = parseInt(prompt('Review Count:'))

            var boxes = document.getElementsByClassName('zg-grid-general-faceout')
            for(var i=0; i<boxes.length; i ++){
            	let box = boxes[i];

                try{
	                let star_text = box.getElementsByTagName('a')[2].text;
	                let star_text_split = star_text.replace(',','').split(' out of 5 stars ');
	                let ratting = parseFloat(star_text_split[0]);
	                let review_count = parseFloat(star_text_split[1]);

	                // Which has no rattings
	                if (isNaN(ratting) || isNaN(review_count)){
	                	box.parentElement.hidden = true;
	                }

	                console.log(
                        i, ratting, review_count,ratting>=input_rate,review_count >= input_review_count, (ratting>=input_rate && review_count >= input_review_count),
                        (!(ratting>=input_rate && review_count >= input_review_count))
                    )

	                if (!(ratting>=input_rate && review_count >= input_review_count)){
	                    box.parentElement.hidden = true;
	                }
                }
                catch{
	                    box.parentElement.hidden = true;
                }
            }
        }, 2000)
    }


})();