keypress event is deprecated

**Issue** 
keypress event is deprecated and will be removed from the web standard soon

**Expected Behaviour**
We should either use [keydown ](https://developer.mozilla.org/en-US/docs/Web/API/Element/keydown_event)or [beforeinput](https://developer.mozilla.org/en-US/docs/Web/API/Element/beforeinput_event) 