Archive for the ‘Javascript’ Category

HTML5 Server Send Events using Node.js or Jetty

Sunday, October 21st, 2012

The HTML5 working draft describes different techniques to push information from a server to the client and the one described in this tutorial are Server-Send Events (SSE).

Using Server-Send-Events eliminates the need to poll a server periodically for information using AJAX and is really easy to implement because of the simple specification and the fact that nearly all modern browsers already implement this specification.

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Video Manipulation using HTML 5 and Javascript

Sunday, August 5th, 2012

Some funny stuff can be done using HTML 5, canvas elements and the video events API.

In the following example we’re using these techniques to apply graphic effects to a video embedded in a HTML page..

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