Getting started with the fromCharCode method of JavaScript string objects (used to convert Unicode values ​​to strings)_Basic knowledge

JavaScript fromCharCode method

The fromCharCode method is used to convert one or more Unicode values ​​to (uppercase) strings and return the strings. Its syntax is as follows:

Copy code The code is as follows:

String.fromCharCode( num1, num2, ... )

Parameter description:

参数	说明
num1/num2	必需。Unicode 编码值

Tips: This method is a static method of String, and its syntax should be String.fromCharCode(), which does not apply to String objects you create yourself.

fromCharCode method instance

Copy code The code is as follows:

Run this example, output:

Copy code The code is as follows:

jb51

For common character Unicode values, please refer to the article "JavaScript onKeyDown Event".