Hardware access through JavaScript [closed]

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Can we access the hardware service routine using JavaScript?

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With the JavaScript inside your browser, No.

However JavaScript can also be used on the server-side, as they guys at Node.js are doing (just to take one example). In this case, you would have access to server-side resources and I/O, using JavaScript as a scripting language.

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one more important thing : Javascript access to the browser is limited

I dont think so its possible via javascript because according to me its client side scripting language. But i thin with serverside scripting you can access hardware of server machine(not sure with this)

read more about this : http://www.webdeveloper.com/forum/showthread.php?t=137449

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If you're interested in mobile app development you may find PhoneGap interesting. It's free at the moment and it allows to develop html5 css javascript apps in a mobile multiplatform wrapper that provide javascript access to hardware features like gps, compass, accelerometer, storage...etc.

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If you need access to the entire file system on the client, watch folders for changes, start applications, encrypt or sign documents, connect to USB devices, etc. please have a look at JSFS.

It allows secure and unlimited access from your web page to computer resources on the client without using a browser plugin technology like AcitveX or Java Applet. However, a peace of software has to be installed too.

In order to work with JSFS you should have basic knowledge in Java and Java EE development (Servlets).

Please find JSFS here: https://github.com/jsfsproject/jsfs. It's free and licensed under GPL.