benchmark: var to const

PR-URL: https://github.com/nodejs/node/pull/13757
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

1 files changed, 7 insertions, 7 deletions

diff --git a/benchmark/misc/startup.js b/benchmark/misc/startup.js
index 34604911d2..b010f9fa46 100644
--- a/benchmark/misc/startup.js
+++ b/benchmark/misc/startup.js
@@ -1,15 +1,15 @@
 'use strict';
-var common = require('../common.js');
-var spawn = require('child_process').spawn;
-var path = require('path');
-var emptyJsFile = path.resolve(__dirname, '../../test/fixtures/semicolon.js');
+const common = require('../common.js');
+const spawn = require('child_process').spawn;
+const path = require('path');
+const emptyJsFile = path.resolve(__dirname, '../../test/fixtures/semicolon.js');
 
-var bench = common.createBenchmark(startNode, {
+const bench = common.createBenchmark(startNode, {
   dur: [1]
 });
 
 function startNode(conf) {
-  var dur = +conf.dur;
+  const dur = +conf.dur;
   var go = true;
   var starts = 0;
 
@@ -21,7 +21,7 @@ function startNode(conf) {
   start();
 
   function start() {
-    var node = spawn(process.execPath || process.argv[0], [emptyJsFile]);
+    const node = spawn(process.execPath || process.argv[0], [emptyJsFile]);
     node.on('exit', function(exitCode) {
       if (exitCode !== 0) {
         throw new Error('Error during node startup');