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>

3 files changed, 7 insertions, 7 deletions

diff --git a/benchmark/url/legacy-vs-whatwg-url-get-prop.js b/benchmark/url/legacy-vs-whatwg-url-get-prop.js
index 733a05a1730..229a4e60652 100644
--- a/benchmark/url/legacy-vs-whatwg-url-get-prop.js
+++ b/benchmark/url/legacy-vs-whatwg-url-get-prop.js
@@ -16,8 +16,8 @@ const bench = common.createBenchmark(main, {
 // remains a constant in the function, so here we must use the literal
 // instead to get a LoadNamedField.
 function useLegacy(n, input) {
-  var obj = url.parse(input);
-  var noDead = {
+  const obj = url.parse(input);
+  const noDead = {
     protocol: obj.protocol,
     auth: obj.auth,
     host: obj.host,
@@ -45,8 +45,8 @@ function useLegacy(n, input) {
 }
 
 function useWHATWG(n, input) {
-  var obj = new URL(input);
-  var noDead = {
+  const obj = new URL(input);
+  const noDead = {
     protocol: obj.protocol,
     auth: `${obj.username}:${obj.password}`,
     host: obj.host,
diff --git a/benchmark/url/legacy-vs-whatwg-url-serialize.js b/benchmark/url/legacy-vs-whatwg-url-serialize.js
index 911e79794b8..35b459a10c0 100644
--- a/benchmark/url/legacy-vs-whatwg-url-serialize.js
+++ b/benchmark/url/legacy-vs-whatwg-url-serialize.js
@@ -12,7 +12,7 @@ const bench = common.createBenchmark(main, {
 });
 
 function useLegacy(n, input, prop) {
-  var obj = url.parse(input);
+  const obj = url.parse(input);
   var noDead = url.format(obj);
   bench.start();
   for (var i = 0; i < n; i += 1) {
@@ -23,7 +23,7 @@ function useLegacy(n, input, prop) {
 }
 
 function useWHATWG(n, input, prop) {
-  var obj = new URL(input);
+  const obj = new URL(input);
   var noDead = obj.toString();
   bench.start();
   for (var i = 0; i < n; i += 1) {
diff --git a/benchmark/url/url-searchparams-iteration.js b/benchmark/url/url-searchparams-iteration.js
index 89919af7255..0f4b71a0a18 100644
--- a/benchmark/url/url-searchparams-iteration.js
+++ b/benchmark/url/url-searchparams-iteration.js
@@ -33,7 +33,7 @@ function iterator(n) {
 
   bench.start();
   for (var i = 0; i < n; i += 1) {
-    for (var pair of params) {
+    for (const pair of params) {
       noDead[0] = pair[0];
       noDead[1] = pair[1];
     }