doc: add comment to example about 2xx status codes

jasnell · addaleax · commit fbb36ed5c4f7 · 2020-09-22T19:53:24.000+02:00
Fixes: #29714 PR-URL: #34223 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
diff --git a/doc/api/http.md b/doc/api/http.md
@@ -2108,6 +2108,8 @@ http.get('http://nodejs.org/dist/index.json', (res) => {
   const contentType = res.headers['content-type'];
 
   let error;
+  // Any 2xx status code signals a successful response but
+  // here we're only checking for 200.
   if (statusCode !== 200) {
     error = new Error('Request Failed.\n' +
                       `Status Code: ${statusCode}`);
