There's a lot you can do with JavaScript: Images can swap when you move a mouse over them, form elements can influence each other on the fly, and calculations can be made without having to resort to a ...

This tutorial provides a comprehensive guide to JavaScript Map and Set, explaining their differences, use cases, and how to effectively utilize them. JavaScript offers a rich set of data structures ...

When JavaScript was first introduced to the world it didn't have a dedicated Array data structure - it simply didn't need one, but it got one nevertheless! Here we look at the Array object, which is ...

Last week we enhanced a map interface with voice commands using annyang. This week we’ll extend our multi-modal interface even further by adding simple head-tracking using pico.js. Pico.js is a ...

While browsers are marching toward supporting speech recognition and more futuristic capabilities, web application developers are typically constrained to the keyboard and mouse. But what if we could ...

The whole of the JavaScript language is built on one central data structure - the associative array. Objects in JavaScript are just associative arrays and this causes a lot of confusion at first. But ...