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How to get the string length in bytes in Node?

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To get the string length in bytes in Node, we call the Buffer.byteLength method.

For instance, we write

const getBytes = (string) => {
  return Buffer.byteLength(string, "utf8");
};

to call Buffer.byteLength with the string to get the string‘s length in byte.

By John Au-Yeung

Web developer specializing in React, Vue, and front end development.

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