charCode property
num
charCode
The Unicode reference number of the key; this attribute is used only by the keypress
event.
For keys whose char
attribute contains multiple characters, this is the Unicode value of the first character in
that attribute. In Firefox 26 this returns codes for printable characters.
See developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/charCode
Implementation
external num get charCode;