JS: What keyboard keys are specified for key codes in intervals 146-185, 193-218?
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What keyboard keys are specified for key codes in intervals 146-185, 193-218?

**What keys from this intervals are often used by users?** 

You can get key codes from `event.keyCode` or `event.which` from `keydown` event.

For example, my keyboard has `volume up` with key code 175 and `volume down` with key code 174.