benchmark: reduce string concatenations

PR-URL: https://github.com/nodejs/node/pull/12455
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

2 files changed, 8 insertions, 8 deletions

diff --git a/benchmark/misc/console.js b/benchmark/misc/console.js
index 9c5aec0eee..9c7c548590 100644
--- a/benchmark/misc/console.js
+++ b/benchmark/misc/console.js
@@ -21,7 +21,7 @@ var bench = common.createBenchmark(main, {
 const nullStream = createNullStream();
 
 function usingRestAndConcat(...args) {
-  nullStream.write('this is ' + args[0] + ' of ' + args[1] + '\n');
+  nullStream.write(`this is ${args[0]} of ${args[1]}\n`);
 }
 
 function usingRestAndSpreadTS(...args) {
@@ -37,15 +37,15 @@ function usingArgumentsAndApplyTS() {
 }
 
 function usingRestAndSpreadC(...args) {
-  nullStream.write(util.format(...args) + '\n');
+  nullStream.write(`${util.format(...args)}\n`);
 }
 
 function usingRestAndApplyC(...args) {
-  nullStream.write(util.format.apply(null, args) + '\n');
+  nullStream.write(`${util.format.apply(null, args)}\n`);
 }
 
 function usingArgumentsAndApplyC() {
-  nullStream.write(util.format.apply(null, arguments) + '\n');
+  nullStream.write(`${util.format.apply(null, arguments)}\n`);
 }
 
 function runUsingRestAndConcat(n) {
diff --git a/benchmark/misc/v8-bench.js b/benchmark/misc/v8-bench.js
index 85c64b51fd..97ff0c35c4 100644
--- a/benchmark/misc/v8-bench.js
+++ b/benchmark/misc/v8-bench.js
@@ -9,8 +9,8 @@ var dir = path.join(__dirname, '..', '..', 'deps', 'v8', 'benchmarks');
 
 function load(filename, inGlobal) {
   var source = fs.readFileSync(path.join(dir, filename), 'utf8');
-  if (!inGlobal) source = '(function () {' + source + '\n})()';
-  vm.runInThisContext(source, { filename: 'v8/bechmark/' + filename });
+  if (!inGlobal) source = `(function () {${source}\n})()`;
+  vm.runInThisContext(source, { filename: `v8/bechmark/${filename}` });
 }
 
 load('base.js', true);
@@ -41,13 +41,13 @@ global.BenchmarkSuite.RunSuites({
     });
   },
   NotifyError: function(name, error) {
-    console.error(name + ': ' + error);
+    console.error(`${name}: ${error}`);
   },
   NotifyScore: function(score) {
     common.sendResult({
       name: benchmark_name,
       conf: {
-        benchmark: 'Score (version ' + global.BenchmarkSuite.version + ')'
+        benchmark: `Score (version ${global.BenchmarkSuite.version})`
       },
       rate: score,
       time: 0