Volume storage fix (Fixes #171)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "plyr",
-  "version": "1.5.13",
+  "version": "1.5.14",
   "description": "A simple, accessible and customizable HTML5, YouTube and Vimeo media player",
   "homepage": "http://plyr.io",
   "main": "src/js/plyr.js",

readme.md

@@ -40,7 +40,7 @@ If you have any cool ideas or features, please let me know by [creating an issue
 
 Check `docs/index.html` and `docs/dist/docs.js` for an example setup.
 
-**Heads up:** the example `index.html` file needs to be served from a webserver (such as Apache, Nginx, IIS or similar) unless you change the file sources to include http or https. e.g. change `//cdn.plyr.io/1.5.13/plyr.js` to `https://cdn.plyr.io/1.5.13/plyr.js`
+**Heads up:** the example `index.html` file needs to be served from a webserver (such as Apache, Nginx, IIS or similar) unless you change the file sources to include http or https. e.g. change `//cdn.plyr.io/1.5.14/plyr.js` to `https://cdn.plyr.io/1.5.14/plyr.js`
 
 ### Node Package Manager (NPM)
 Using NPM, you can grab Plyr:
@@ -69,11 +69,11 @@ More info is on [npm](https://www.npmjs.com/package/ember-cli-plyr) and [GitHub]
 If you want to use our CDN, you can use the following:
 
 ```html
-<link rel="stylesheet" href="https://cdn.plyr.io/1.5.13/plyr.css">
-<script src="https://cdn.plyr.io/1.5.13/plyr.js"></script>
+<link rel="stylesheet" href="https://cdn.plyr.io/1.5.14/plyr.css">
+<script src="https://cdn.plyr.io/1.5.14/plyr.js"></script>
 ```
 
-You can also access the `sprite.svg` file at `https://cdn.plyr.io/1.5.13/sprite.svg`.
+You can also access the `sprite.svg` file at `https://cdn.plyr.io/1.5.14/sprite.svg`.
 
 ### CSS & Styling
 If you want to use the default css, add the `plyr.css` file from `/dist` into your head, or even better use `plyr.less` or `plyr.sass` file included in `/src` in your build to save a request.
@@ -175,7 +175,7 @@ Be sure to [validate your caption files](https://quuz.org/webvtt/)
 Here's an example of a default setup:
 
 ```html
-<script src="https://cdn.plyr.io/1.5.13/plyr.js"></script>
+<script src="https://cdn.plyr.io/1.5.14/plyr.js"></script>
 <script>plyr.setup();</script>
 ```
 

src/js/plyr.js

@@ -107,7 +107,7 @@
         },
         storage: {
             enabled:            true,
-            key:                'plyr_volume'
+            key:                'plyr'
         },
         controls:               ['restart', 'rewind', 'play', 'fast-forward', 'current-time', 'duration', 'mute', 'volume', 'captions', 'fullscreen'],
         i18n: {
@@ -1869,11 +1869,15 @@
 
                 if (config.storage.enabled && _storage().supported) {
                     volume = window.localStorage.getItem(config.storage.key);
+
+                    // Clean up old volume
+                    // https://github.com/Selz/plyr/issues/171
+                    window.localStorage.removeItem('plyr-volume');
                 }
             }
 
             // Use config if all else fails
-            if(isNaN(volume)) {
+            if(volume === null || isNaN(volume)) {
                 volume = config.volume;
             }