doc: small improvements in readline code examples

1. Consistent template literals in `console.log()`. 2. === instead of ==. 3. const instead of var. PR-URL: #9628 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Jackson Tian <shyvo1987@gmail.com>
nodejs · Nov 22, 2016 · d62376c8d6ef771426d92321d850f370f0ef3ef0 · d62376c
1 parent 731a1fa
commit d62376c8d6ef771426d92321d850f370f0ef3ef0
Showing with 4 additions and 4 deletions.

+4 −4 doc/api/readline.md
diff --git a/doc/api/readline.md b/doc/api/readline.md
@@ -21,7 +21,7 @@ const rl = readline.createInterface({

 rl.question('What do you think of Node.js? ', (answer) => {
  // TODO: Log the answer in a database
-  console.log('Thank you for your valuable feedback:', answer);
+  console.log(`Thank you for your valuable feedback: ${answer}`);

  rl.close();
 });
@@ -403,8 +403,8 @@ For instance: `[[substr1, substr2, ...], originalsubstring]`.

 ```js
 function completer(line) {
-  var completions = '.help .error .exit .quit .q'.split(' ');
-  var hits = completions.filter((c) => { return c.indexOf(line) == 0 });
+  const completions = '.help .error .exit .quit .q'.split(' ');
+  const hits = completions.filter((c) => { return c.indexOf(line) === 0 });
  // show all completions if none found
  return [hits.length ? hits : completions, line];
 }
@@ -512,7 +512,7 @@ const rl = readline.createInterface({
 });

 rl.on('line', (line) => {
-  console.log('Line from file:', line);
+  console.log(`Line from file: ${line}`);
 });
 ```