How to convert keycode to character using javascript [duplicate]

问题

This question already has an answer here:

• Get Character value from KeyCode in JavaScript… then trim 10 answers

How to convert keycode to character using javascript

var key_code = 65;

result should be

character = "a";

回答1:

String.fromCharCode() is what you want:

The fromCharCode() method converts Unicode values to characters.

Syntax

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

回答2:

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