CSS3, JavaScript and HTML5 explained

Introduction to GeoLocation

| August 15, 2010

Geolocation allows users to share their physical location with your application if they choose to. Especially useful in social networking, geo tagging, and mapping, but applicable to any type of application, geolocation enables developers to enhance the user experience, making content, social graphs and advertisements more relevant to the location of the user. Learn the basic JavaScript to determine your user's location.

HTML5: Introduction to <canvas>

| August 12, 2010

The HTML5 Canvas specification is a JavaScript API for coding drawings. The canvas API allows the definition of a canvas context object as the <canvas> element on your HTML page inside which we can draw. In this tutorial we introduce you to the canvas element and the basic canvas javascript properties and methods.


| July 13, 2010

SessionStorage is an alternative to session cookies, but more powerful. The HTML5 storage API defines persistent data storage of key-value pair data in Web clients. The HTML5 Storage API improves upon HTTP session and local cookies that you are likely … More …


| July 13, 2010

Up until now, users of web applications have only been able to use the applications while connected to the Internet. When offline, web based e-mail, calendars and other online tools have been unavailable, and, for the most part, continue to … More …

JavaScript Variable Scope

| February 2, 2009

There are two variable scopes in JavaScript: local and global. Local variables exist only inside the function in which they were declared. Local scope means a variable can only be referenced from within that function in which it was More …