➜  p deno --version              
deno 1.40.5 (release, aarch64-apple-darwin)
v8 12.1.285.27
typescript 5.3.3

➜  p cat t.mjs --plain
import http2 from "node:http2";

const clientSession = http2.connect("https://www.example.com");
const req = clientSession.request({
  ":method": "GET",
  ":path": "/",
});
req.on("response", (headers) => {
  console.log(
    `Status code: ${headers[":status"]} (headers received: ${
      Object.keys(headers).length
    })`,
  );
});
req.on("data", (chunk) => {
  console.log("Received body of size", chunk.toString().length);
});
req.on("end", () => {
  console.log("Response ended");
  clientSession.close();
});
req.end();

➜  p node t.mjs       
Status code: 200 (headers received: 13)
Received body of size 1256
Response ended

➜  p deno run -A t.mjs
error: Uncaught (in promise) Error: connection error detected: frame with invalid size
    at async node:http2:291:11