fix(xgplayer/proxy.js, README.md): support crossorigin textTrack, rew…

…rite the git clone method for s

README.md

@@ -78,18 +78,17 @@ xgplayer supports mobile terminal, but android device brand and system are numer
 
 ### Dev
 
+For debugging, we provide the example video resource which size is large in github. You can clone the whole git repository which includes codes and example videos with 'git clone --recurse-submodules -j8'. With 'git clone' you will pull only codes of xgplayer and its plugins.
+
 ```
-$ git clone git@github.com:bytedance/xgplayer.git
+$ git clone --recurse-submodules -j8 git@github.com:bytedance/xgplayer.git # OR git clone git@github.com:bytedance/xgplayer.git
 $ cd xgplayer
 $ npm install
 $ npm run dev
 ```
 
 please visit [http://localhost:9090/examples/index.html](http://localhost:9090/examples/index.html)
 
-### Note
-
-you can sparse checout the source code without examples that include large video files. [how to sparse checkout git project](https://gist.github.com/sumardi/5559896)
 
 ### License
 

README.zh-CN.md

@@ -80,18 +80,17 @@ let player = new Player({
 
 ### Dev
 
+为了方便开发者调试，我们提供了示例视频资源。示例文件较大，可使用 git clone --recurse-submodules -j8 命令完整拉取源码和示例文件；如果你只对源码感兴趣可以使用 git clone 命令仅拉取源码部分。
+
 ```
-$ git clone git@github.com:bytedance/xgplayer.git
+$ git clone --recurse-submodules -j8 git@github.com:bytedance/xgplayer.git # 或者：git clone git@github.com:bytedance/xgplayer.git
 $ cd xgplayer
 $ npm install
 $ npm run dev
 ```
 
 访问 [http://localhost:9090/examples/index.html](http://localhost:9090/examples/index.html)
 
-### Note
-
-如果你只对源码感兴趣可以使用 Git 的稀疏检出功能忽略 examples 目录，里面有比较大的视频文件。[如何使用 Git 的sparse checkout](https://gist.github.com/sumardi/5559896)
 
 ### License
 

packages/xgplayer/README.md

@@ -81,15 +81,18 @@ xgplayer supports mobile terminal, but android device brand and system are numer
 
 ### Dev
 
+For debugging, we provide the example video resource which size is large in github. You can clone the whole git repository which includes codes and example videos with 'git clone --recurse-submodules -j8'. With 'git clone' you will pull only codes of xgplayer and its plugins.
+
 ```
-$ git clone git@github.com:bytedance/xgplayer.git
+$ git clone --recurse-submodules -j8 git@github.com:bytedance/xgplayer.git # OR git clone git@github.com:bytedance/xgplayer.git
 $ cd xgplayer
 $ npm install
 $ npm run dev
 ```
 
 please visit [http://localhost:9090/examples/index.html](http://localhost:9090/examples/index.html)
 
+
 ### License
 
 [MIT](http://opensource.org/licenses/MIT)

packages/xgplayer/src/proxy.js

@@ -37,6 +37,7 @@ class Proxy {
  return true
  }
  })
+ videoConfig.crossorigin = 'anomymous'
  }
  if (options.textTrackStyle) {
  let style = document.createElement('style')