ServerResponse.prototype.statusMessage - Node documentation
property ServerResponse.prototype.statusMessage

Usage in Deno

import { ServerResponse } from "node:http";

When using implicit headers (not calling response.writeHead() explicitly), this property controls the status message that will be sent to the client when the headers get flushed. If this is left as undefined then the standard message for the status code will be used.

response.statusMessage = 'Not found';

After response header was sent to the client, this property indicates the status message which was sent out.

Type

string