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How to send no cache headers in Node.js server?

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To send no cache headers in Node.js server, we call the writeHead method.

For instance, we write

res.writeHead(200, {
  "Content-Type": mimeType,
  "Content-Length": contents.length,
  "Accept-Ranges": "bytes",
  "Cache-Control": "no-cache",
});

to call writHeader with an object with the response headers and values.

We return the Content-Type, Content-Length, Accept-Ranges, and Cache-Control headers.

We set Cache-Control to no-cache to disable cache.

By John Au-Yeung

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

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