Articles tagged ‘javascript’

Taking advantage of HTML5 caching in an iPhone Webapp can eliminate the need to employ cumbersome data URLs for standalone or offline style applications.

Countdown is an iPhone Webapp that implements a simple multi-color timer charting how many days, hours, minutes and seconds are left until a selected target event arrives. For example, this may be a fun (or frustrating) way to count how long you must wait until your next birthday. Built-in events include “Midnight” and “New Year’s”. There is a “Settings” screen that allows you to configure some of the parameters of the program. One of the most interesting configuration elements is a date picker that uses the hardware accelerated “SpinningWheel” from cubiq.org.

This tutorial compares the APIs of Yahoo! and Google maps by implementing a simple side-by-side map overlay rendered on a single HTML page. In this tutorial we will describe the details of using each API in JavaScript. Along the way we’ll compare a few of the differences between the two APIs.

This article demonstrates how to write a web application for the iPhone to perform a single activity and control its operational parameters. It demonstrates how to communicate to a web service that periodically provides message updates.

How to install a stand-alone iPhone web application and build a basic installer script.

How to build a simple, near-native iPhone application using web tools and techniques.

In this article we’ll focus on one of the most popular cloud computing solutions today, Amazon’s Elastic Compute Cloud (EC2), and walk through the development of an open source mashup for EC2.

Ever since the first Web application was written, developers have attempted to create dynamic user interfaces that offer an interactive experience, much like desktop applications. Traditional Web applications feel clumsy and unresponsive because every update to the interface involves a full roundtrip to the server and back. In this article, we will see how AJAX, a recent Web development technique, tackles this problem.

As web applications take on roles traditionally served by pure desktop applications, creating interactive user interfaces with the ‘real-time’ feel of a customary desktop, is a challenge facing UI developers today. In this article, we will explore a solution to this problem using JavaScript and the XMLHttpRequest object.

This article introduces content management systems and discusses the features and benefits of using Plone, a popular open source content management system built on top of Zope.