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[benchmarks-js.git] / is-undefined.mjs

diff --git a/is-undefined.mjs b/is-undefined.mjs
new file mode 100644 (file)
index 0000000..a04113b
--- /dev/null
+++ b/is-undefined.mjs
@@ -0,0 +1,30 @@
+import Benchmark from 'benny'
+
+Benchmark.suite(
+  'Is undefined',
+  Benchmark.add('=== undefined', (value = undefined) => {
+    return value === undefined
+  }),
+  Benchmark.add("typeof === 'undefined'", (value = undefined) => {
+    return typeof value === 'undefined'
+  }),
+  Benchmark.cycle(),
+  Benchmark.complete(),
+  Benchmark.save({
+    file: 'is-undefined',
+    format: 'json',
+    details: true
+  }),
+  Benchmark.save({
+    file: 'is-undefined',
+    format: 'chart.html',
+    details: true
+  }),
+  Benchmark.save({
+    file: 'is-undefined',
+    format: 'table.html',
+    details: true
+  })
+).catch(err => {
+  console.error(err)
+})