Articles by JOHN KARAHALIS

May Dev Derby: Show us what you can do with Websockets

The May Dev Derby is underway. A monthly contest hosted by the Mozilla Developer Network, the Dev Derby gives you the chance to apply the technology you read about on this blog, push the web forward, and compete for fame, glory, and prizes. This month, we are...

Announcing the March Dev Derby Winners

By John Karahalis

Three-D interfaces have been a fascination for as long as we have used computers. CSS 3D transforms allow you to add depth to effects, making more exciting and more engaging user experiences possible. By moving and rotating content in the X, Y and Z axes you...

April Dev Derby: Show us what you can do with HTML5 audio

By John Karahalis

The April Dev Derby is officially underway. A monthly contest hosted by the Mozilla Developer Network, the Dev Derby gives web developers of all levels of experience the chance to push the web forward, learn about new web technologies, and compete for fame,...

Announcing the February Dev Derby Winners

By John Karahalis

Touch events help you make websites and applications more engaging by responding appropriately when users interact with touch screens. A user touching a screen is very different from a user clicking a mouse button, so special care must be taken to ensure that...

Announcing the January Dev Derby Winners

By John Karahalis

HTML5 orientation allows web developers to read the motion and orientation data of devices to create more engaging and more interactive web experiences. Recently, creative developers from around the world demonstrated just how powerful orientation can be in...

Interview: Marco Castelluccio, IndexedDB Dev Derby winner

By John Karahalis

Marco Castelluccio accomplished a first last month when he won both first and second place in the IndexedDB Dev Derby for his entries eLibri and FileSystemDB. But that’s not all Marco has done to help push the Web forward. In just the last few months,...

March Dev Derby: Show us what you can do with CSS 3D transforms

By John Karahalis

The March Dev Derby begins today! A monthly contest hosted by the Mozilla Developer Network, the Dev Derby allows creative web developers to push the web forward and compete for fame, glory, and prizes too. This month, we want to see what you can do with CSS...

Accepting February Dev Derby entries for one extra day

By John Karahalis

Wait a minute, there are how many days in February? Looks like leap day got the best of us. Earlier today, we ended the February Dev Derby prematurely, making it impossible for some of you to submit those last-minute demos for a couple of hours. To make up...

Announcing the December Dev Derby Winners

By John Karahalis

IndexedDB lets web applications store structured data for fast online and offline use. Data can be stored using key-value pairs, and values do not need to be serialized (as they do with document-oriented databases) or coerced into a relational structure (as...