benchmark: swap var for let in url benchmarks

In benchmark url directory this changes for loops using var to let
when it applies for consistency

PR-URL: https://github.com/nodejs/node/pull/28867
Reviewed-By: Jan Krems <jan.krems@gmail.com>
Reviewed-By: Khaidi Chu <i@2333.moe>
Reviewed-By: Rich Trott <rtrott@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/benchmark/url/legacy-vs-whatwg-url-searchparams-parse.js b/benchmark/url/legacy-vs-whatwg-url-searchparams-parse.js
index 81b5b6dc16..f6037d332d 100644
--- a/benchmark/url/legacy-vs-whatwg-url-searchparams-parse.js
+++ b/benchmark/url/legacy-vs-whatwg-url-searchparams-parse.js
@@ -13,7 +13,7 @@ const bench = common.createBenchmark(main, {
 function useLegacy(n, input) {
   querystring.parse(input);
   bench.start();
-  for (var i = 0; i < n; i += 1) {
+  for (let i = 0; i < n; i += 1) {
     querystring.parse(input);
   }
   bench.end(n);
@@ -22,7 +22,7 @@ function useLegacy(n, input) {
 function useWHATWG(n, param) {
   new URLSearchParams(param);
   bench.start();
-  for (var i = 0; i < n; i += 1) {
+  for (let i = 0; i < n; i += 1) {
     new URLSearchParams(param);
   }
   bench.end(n);