Merge pull request ryanmcdermott#97 from vsemozhetbyt/no-shadow

fix variable shadowing

Author: ryanmcdermott

README.md

@@ -229,7 +229,7 @@ const menuConfig = {
  cancellable: true
 }
 
-function createMenu(menuConfig) {
+function createMenu(config) {
  // ...
 }
 
@@ -1702,14 +1702,14 @@ Promises are a built-in global type. Use them!
 
 **Bad:**
 ```javascript
-require('request').get('https://en.wikipedia.org/wiki/Robert_Cecil_Martin', function(err, response) {
- if (err) {
- console.error(err);
+require('request').get('https://en.wikipedia.org/wiki/Robert_Cecil_Martin', (requestErr, response) => {
+ if (requestErr) {
+ console.error(requestErr);
  }
  else {
- require('fs').writeFile('article.html', response.body, function(err) {
- if (err) {
- console.error(err);
+ require('fs').writeFile('article.html', response.body, (writeErr) => {
+ if (writeErr) {
+ console.error(writeErr);
  } else {
  console.log('File written');
  }