Bookmarklet to show the monthly pricing for AWS next to the price per hour

aws-pricing-bookmarklet.js

javascript: (function(){
	
	var selectors = [
		'tr.tiers > td.price',
		'tr.sizes > td.rate'
	];

	for(var s = 0, len = selectors.length; s < len; s++){
		var prices = document.querySelectorAll(selectors[s]);
		handlePrices(prices);
	}

	function handlePrices(prices){
		for(var i = 0, len = prices.length; i < len; i++){
			var price = cleanPrice(prices[i].innerHTML);
			var pricePerHour = parseFloat(price.replace('$',''));
			var pricePerMonth = pricePerHour * 24 * 30;
			prices[i].innerHTML = price + " <strong>($" + pricePerMonth.toFixed(2) + "/month)</strong>";
		}
	}

	function cleanPrice(price){
		var price = price + ''; /* Convert to string */
		var price = price.replace(' per Hour', '');
		return price;
	}


}());