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What is Buffer.isEncoding() in Node.js?
Ayesha Naeem
The Buffer.isEncoding() function tests if an encoding format is supported or not.
Prototype
Parameter and return value
The Buffer.isEncoding() function accepts the encoding format as a single parameter of type string.
The Buffer.isEncoding() function returns true if the encoding format is supported; otherwise, it returns false.
Examples
The following code demonstrates how to use the Buffer.isEncoding() function in Node.js.
console.log(Buffer.isEncoding('base64'));
console.log(Buffer.isEncoding('hex'));
console.log(Buffer.isEncoding('utf8'));
console.log(Buffer.isEncoding('ucs2'));
console.log(Buffer.isEncoding('binary'));
console.log(Buffer.isEncoding('utf/8'));
console.log(Buffer.isEncoding('randomencoding'));
The above example illustrates that some of the supported encoding formats are base64, hex, utf8, ucs2, and binary.
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node.js
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Ayesha Naeem
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