update zh-cn/application-dev/reference/apis/js-apis-media.md.

Signed-off-by: N zengyawen <zengyawen1@huawei.com>

update zh-cn/application-dev/reference/apis/js-apis-media.md.
Signed-off-by: N zengyawen <zengyawen1@huawei.com>
8ff4ed0c · zengyawen · Gitee · 61067727 · 8ff4ed0c
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zh-cn/application-dev/reference/apis/js-apis-media.md zh-cn/application-dev/reference/apis/js-apis-media.md +1 -1

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--- a/zh-cn/application-dev/reference/apis/js-apis-media.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-media.md
@@ -1542,7 +1542,7 @@ videoPlayer.setVolume(3);  //设置volume为无效值，触发'error'事件
 ### on('availableBitratesCollect')<sup>9+</sup>
-on(type: 'availableBitratesCollect', callback: (bitrates: Array<number>) => void): void
+on(type: 'availableBitratesCollect', callback: (bitrates: Array\<number>) => void): void
 开始监听视频播放码率上报事件。