Add onloadstartCallback function

Author: Keystion

README.md

@@ -49,6 +49,7 @@ Example:
 | **debuggers** | *Boolean* |open console log, default close 'false' / 打开控制台日志,默认关闭：`false` |
 | **allowSeek** | *Boolean* | Whether to support drag and drop, the default open: `true` / 是否支持拖拽，默认开启：`true` |
 | **canplayCallback** | *function* | After can play TODO / 可以播放之后，做某些事情 |
+| **onloadstartCallback** | *function* | After searching for the audio TODO / 开始查找音频之后，做某些事情 |
 | **playCallback** | *function* | After playback TODO / 播放之后，做某些事情 |
 | **pauseCallback** | *function* | After the suspension TODO / 暂停之后，做某些事情 |
 | **seekedCallback** | *function* | After the drag, the callback function (`allowSeek: false`) / 拖动之后，回调函数（`allowSeek: false`） |
@@ -169,6 +170,10 @@ AudioPlayer.play(function(data){
 - Add comments in English
 - Fix the window change audio download progress bar UI has not changed
 
+##### 2017.06.26
+
+- Add onloadstartCallback function
+
 
 #### [issues](https://github.com/Keystion/jQuery.AudioPlayer.js/issues)
 

dist/jQuery.AudioPlayer.min.js

@@ -24,6 +24,8 @@
             ,allowSeek: true
             // After can play TODO / 可以播放之后，做某些事情
             ,canplayCallback: null
+            // After searching for the audio TODO / 开始查找音频之后，做某些事情
+            ,onloadstartCallback: null
             // After playback TODO / 播放之后，做某些事情
             ,playCallback: null
             // After the suspension TODO / 暂停之后，做某些事情
@@ -261,6 +263,9 @@
             // When the browser begins searching for the audio / 当浏览器开始查找音频时
             _this.elements.audioDom.onloadstart = function() {
                 _this.log('onloadstart');
+                if(typeof _this.options.onloadstartCallback == 'function'){
+                    _this.options.onloadstartCallback({'status': true});
+                }
             }
 
             // When the audio has begun or is no longer suspended / 当音频已开始或不再暂停时