This question already has an answer here:
How to convert keycode to character using javascript
var key_code = 65;
result should be
character = "a";
Skilldrick
String.fromCharCode()
is what you want:
The fromCharCode() method converts Unicode values to characters.
Syntax
String.fromCharCode(n1, n2, ..., nX)
garsax
As seen here:
String.fromCharCode((96 <= key && key <= 105) ? key-48 : key)
来源:https://stackoverflow.com/questions/3977792/how-to-convert-keycode-to-character-using-javascript