September 12, 2013 in Learn
How to Securely Send Messages Between Windows with postMessage
As we build an ecosystem where web applications can interact with one another we need a way of securely sending messages between windows. The postMessage() method provides just that. For a long time sending messages between windows was only possible…
September 10, 2013 in Learn
Getting Started With The History API
Over the past decade, web applications have evolved to make heavy use of JavaScript in order to dynamically load content into web pages. One of the big challenges that developers face when creating these applications is preserving an accurate and…
July 26, 2013 in Learn
Creating Reusable Markup with The HTML Template Element
Templates are one of the key tools at any developers disposable. They make it easier for us to build complex websites that are maintainable and easy for other developers to understand. With the exception of a few JavaScript frameworks, most…
July 18, 2013 in Learn
Working with Shadow DOM
As developers, we often need to create widgets for interfaces that make it easier to accomplish certain tasks. These might be sliders for controlling video playback, calendar pickers for selecting dates or any other number of other useful widgets. The…
July 2, 2013 in Learn
Creating Packaged Apps for Google Chrome
Creating Packaged Apps for Google Chrome In this tutorial you are going to use the To-Do application that you created in ‘Create Your Own To-Do App with HTML5 and IndexedDB‘. If you haven’t already built this application you might want…
June 10, 2013 in Learn
Create Your Own To-Do App with HTML5 and IndexedDB
IndexedDB is a client-side web technology that allows developers to build applications that are able to store data locally. Unlike LocalStorage, which enables the storage of simple key/value pairs, IndexedDB supports the storage of structured data. This enables developers to…
April 1, 2013 in Learn
Accessing the Device Camera with getUserMedia
One of the funnest technologies to come to web browsers in the last couple years is the ability to access the webcam and microphone without the need for a third party plugin. When you combine these native media streams with…
February 14, 2013 in Learn
Building Custom Controls for HTML5 Videos
One of my favorite things about HTML5 video is how easy it is to create your own custom controls. This not only allows you to style the controls however you would like but also allows you to add new controls…
January 18, 2013 in Learn
Getting Started With The Canvas API
The Canvas API provides a way for developers to create graphics on-the-fly from directly within the web browser. This has a number of benefits. First it can help to reduce the number of HTTP requests that are needed to load…
January 15, 2013 in Learn
Using Web Workers to Speed-Up Your JavaScript Applications
The performance of JavaScript applications running in the browser has increased considerably over the past few years. This is mainly due to continued work on the underlying JavaScript engines (such as V8) that actually execute the code. But as these JavaScript engines get…
October 29, 2012 in Learn
Quick Tip: How to Use the JavaScript Splice Method
In this Treehouse Quick Tip, Jim shows us how to use the JavaScript Splice Method. The splice method is used to manipulate arrays. The splice function can be used to remove elements from an array. The first argument in the…
September 27, 2011 in Learn
Organize Your Code with RequireJS
Writing web applications using JavaScript, HTML, and CSS can become overwhelming quickly. Between managing UI, data, interactions, and network requests, application code can become a real mess, and this isn’t helped by the way the browser loads JavaScript code.