Test all keys on your keyboard with this easy-to-use website. Works with any keyboard and any browser. Simply press any key to test it. ... <看更多>

Keyboard Checker. 191 likes. Keyboard Checker is a simple web app for testing all the keys on your keyboard. Find us on http://keyboardchecker.com. ... <看更多>

To test your keyboard, open the "Keyboard Test" window and press every key on your keyboard. The app will tell you what key is being pressed ... ... <看更多>

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NEW ANSWER added Jan 25th 2012. Since writing the below answer, someone clued me in to the existence of ViewTreeObserver and friends, APIs which have been ... ... <看更多>