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HTML Audio / Video DOM readyState property

HTML audio / video Tag Reference HTML Audio / Video DOM Reference

Examples

Get ready video:

myVid=document.getElementById("video1");
alert(myVid.readyState);

try it"

Definition and Usage

readyState property returns audio / video current ready state.

Ready Status Indication audio / video if ready to play.

Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

All major browsers support readyState property.

Note: 8 and earlier versions of Internet Explorer does not support this property.

grammar

audio|video .readyState

return value

类型 描述
Number 表示音频/视频（audio/video）元素的就绪状态：
  • 0 = HAVE_NOTHING - 没有关于音频/视频是否就绪的信息
  • 1 = HAVE_METADATA - 关于音频/视频就绪的元数据
  • 2 = HAVE_CURRENT_DATA - 关于当前播放位置的数据是可用的，但没有足够的数据来播放下一帧/毫秒
  • 3 = H AVE_FUTURE_DATA - 当前及至少下一帧的数据是可用的
  • 4 = HAVE_ENOUGH_DATA - 可用数据足以开始播放

HTML audio / video Tag Reference HTML Audio / Video DOM Reference