Instructions for using the buffer.Buffer.isEncoding method in node.js_node.js

Method description:

Check whether it is a valid encoding parameter and return true or false.

Grammar:

Copy code The code is as follows:

Buffer.isEncoding(encoding)

Receive parameters:

encoding {String} The detected encoding format

Example:

Copy code The code is as follows:

var a = Buffer.isEncoding('base64');

console.log(a);

Source code:

Copy code The code is as follows:

Buffer.isEncoding = function(encoding) {
switch ((encoding '').toLowerCase()) {
case 'hex':
case 'utf8':
case 'utf-8':
case 'ascii':
case 'binary':
case 'base64':
case 'ucs2':
case 'ucs-2':
case 'utf16le':
case 'utf-16le':
case 'raw':
       return true;
Default:
Return false;
}
};