remove things

src/example.js

@@ -0,0 +1,11 @@
+const name = 'Freddy'
+typeof name === 'strng'
+
+if (!'serviceWorker' in navigator) {
+  // you have an old browser :-(
+}
+
+const greeting = 'hello'
+console.log('${greting} world!')
+
+[(1, 2, 3)].forEach(x => console.log(x))