a dumb js scraper using iframes

iframe-scraper.js

(function() {
	var items = [];
	window.inventory = [];
	window.errors = [];
	
	Array.prototype.clean = function(deleteValue) {
		for (var i = 0; i < this.length; i++) {
			if (this[i] == deleteValue) {
				this.splice(i, 1);
				i--;
			}
			else {
				this[i] = this[i].trim();
			}
		}
		
		return this;
	};
	
	var categories = ['subcat_964', 'subcat_73'];
	
	for (var i = 0; i < categories.length; i++) {
		$("." + categories[i]).each(function (index, tag) {
			items.push($(tag).find('a').attr('href'));
		});
	}
	
	var getAll = function(index) {
		if (index == null) { index = 0 }
		$("<iframe class='crapper' src='" + items[index] + "'></iframe>")
		.appendTo('body')
		.load(function() {
			try {
				frames[0].Array.prototype.clean = Array.prototype.clean;
				var obj = {};
				obj.name = frames[0].$('.detailtitle').text();
				obj.science = frames[0].$('span i').text();
				obj.description = frames[0].$('span p').text().trim();
				var deets = frames[0].$('.category-description');
				obj.sku = $(deets.get(0)).text().trim().split("#")[1];
				obj.wholesale = $(deets.get(1)).html().split("<br>")[1].split("$")[1].trim();
				obj.retail = $(deets.get(2)).html().split("<br>")[1].split("$")[1].trim();
				obj.size = $(deets.get(4)).text().trim().split(" ");
				obj.benefits = frames[0].$(frames[0].$("#tabs li :contains(Benefits)")
					.attr("href"))
					.html()
					.replace(/&nbsp;/g, "")
					.replace(/\n/g, "")
					.replace(/\t/g, "")
					.replace(/•/g, "")
					.trim()
					.split("<br>").clean("");
				var resources = frames[0].$(frames[0].$("#tabs li :contains(Resources)").attr("href") + " a")[1];
				obj.picture = typeof resources === "undefined" ? "none" :
					$(resources).attr("href");
				window.inventory.push(obj);
			}
			catch (ex) {
				try {
					errors.push({
						item: items[index],
						exception: ex
					});
				}
				catch (ex) {
					console.log("failed to retrieve item for inventory");
				}
			}
			finally {
				$('iframe').remove();
			}
			
			var wait = 100 + Math.random(1000);
			setTimeout(function() {
				if (index + 1 < items.length) {
					getAll(index + 1);
				}
			}, wait);
		});
	};
	
	getAll();
})()