Cannot read properties of undefined (reading 'toLowerCase')

[vitali-paladi]

Hi,

There is a bug on chrome, Cannot read properties of undefined (reading 'toLowerCase')

In code we have:
document.addEventListener("keydown", this.onKeyDown),
document.addEventListener("keyup", this.onKeyUp)

This bug happens because on unmount component there is no removeEventListener for keydown event (for keyup we have)