Chapter 2: standard and review edits

Chapter02/interfacing-with-io/greeting.js

@@ -1,4 +1,4 @@
-process.stdin.on('data', (data) => {
-    let name = data.toString().trim().toUpperCase();
-    process.stdout.write(`Hello ${name}!`);   
-});
+process.stdin.on('data', data => {
+  const name = data.toString().trim().toUpperCase()
+  process.stdout.write(`Hello ${name}!`)
+})

Chapter02/interfacing-with-io/greeting2.js

@@ -1,8 +1,8 @@
 process.stdin.on('data', data => {
-    let name = data.toString().trim().toUpperCase();
-    if (name != '') {
-        process.stdout.write(`Hello ${name}!`);
-    } else {
-        process.stderr.write('Input was empty.');
-    }
-});
+  const name = data.toString().trim().toUpperCase()
+  if (name !== '') {
+    process.stdout.write(`Hello ${name}!`)
+  } else {
+    process.stderr.write('Input was empty.')
+  }
+})