Migrate example to es6

README.md

@@ -25,23 +25,23 @@ It has support for ``keypress``, ``keydown``, and ``keyup`` events on specific k
     or install `mousetrap` from `npm` and require it
 
     ```js
-    var Mousetrap = require('mousetrap');
+    const Mousetrap = require('mousetrap');
     ```
 
 2.  Add some keyboard events to listen for
 
     ```html
     <script>
         // single keys
-        Mousetrap.bind('4', function() { console.log('4'); });
-        Mousetrap.bind("?", function() { console.log('show shortcuts!'); });
-        Mousetrap.bind('esc', function() { console.log('escape'); }, 'keyup');
+        Mousetrap.bind('4', () => { console.log('4'); });
+        Mousetrap.bind("?", () => { console.log('show shortcuts!'); });
+        Mousetrap.bind('esc', () => { console.log('escape'); }, 'keyup');
 
         // combinations
-        Mousetrap.bind('command+shift+k', function() { console.log('command shift k'); });
+        Mousetrap.bind('command+shift+k', () => { console.log('command shift k'); });
 
         // map multiple combinations to the same callback
-        Mousetrap.bind(['command+k', 'ctrl+k'], function() {
+        Mousetrap.bind(['command+k', 'ctrl+k'], () => {
             console.log('command k or control k');
 
             // return false to prevent default browser behavior
@@ -50,11 +50,11 @@ It has support for ``keypress``, ``keydown``, and ``keyup`` events on specific k
         });
 
         // gmail style sequences
-        Mousetrap.bind('g i', function() { console.log('go to inbox'); });
-        Mousetrap.bind('* a', function() { console.log('select all'); });
+        Mousetrap.bind('g i', () => { console.log('go to inbox'); });
+        Mousetrap.bind('* a', () => { console.log('select all'); });
 
         // konami code!
-        Mousetrap.bind('up up down down left right left right b a enter', function() {
+        Mousetrap.bind('up up down down left right left right b a enter', () => {
             console.log('konami code');
         });
     </script>