benchmark: refactor for consistent style

Code in benchmark directory sometimes uses `function () {}` for
anonymous callbacks and sometimes uses `() => {}`. Multi-line arrays
sometimes have a trailing comma and sometimes do not. Update to always
use arrow functions for anonymous callbacks and trailing commas for
multiline arrays.

PR-URL: https://github.com/nodejs/node/pull/25944
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/benchmark/http/set-header.js b/benchmark/http/set-header.js
index f0987f2cc7..01cd8492df 100644
--- a/benchmark/http/set-header.js
+++ b/benchmark/http/set-header.js
@@ -19,13 +19,13 @@ function main({ res }) {
   process.env.PORT = PORT;
   var server = require('../fixtures/simple-http-server.js')
   .listen(PORT)
-  .on('listening', function() {
+  .on('listening', () => {
     const path = `/${type}/${len}/${chunks}/normal/${chunkedEnc}`;
 
     bench.http({
       path: path,
       connections: c
-    }, function() {
+    }, () => {
       server.close();
     });
   });