Getting The User's Environment Details: JavaScript Tutorial

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In this lesson of the JavaScript tutorial, you will learn...

1. To detect the user's operating system.
2. To detect browser information.
3. To determine if the user's browser supports a specific feature.
4. To determine if Cookies are turned off. 

Why Know the User's Environment?

Although browsers have come a long way in the past several years, they unfortunately do not all support the W3C specifications to the same degree. When writing sophisticated code that is intended to work across multiple browsers and platforms, it is often necessary to branch the code for the different environments.  more...