How to convert key code to character using javascript

Question

How to convert key code to character using javascript

var key_code = 65; 

the result should be

 character = "a"; 

Answer 1

String.fromCharCode() is what you want:

The fromCharCode () method converts Unicode values ​​to characters.

Syntax

 String.fromCharCode(n1, n2, ..., nX) 

Answer 2

As seen here :

 String.fromCharCode((96 <= key && key <= 105) ? key-48 : key)