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HTML Audio / Video DOM preload property

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

Examples

Once the page is loaded, it begins to load the video:

myVid=document.getElementById("video1");
myVid.preload="auto";

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Definition and Usage

preload property sets or returns whether the page is loaded immediately after loading audio / video.

preload attribute allows authors hint about his / her think it will bring the best user experience to the browser. This attribute is ignored in some cases.

Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

All major browsers support preload property.

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

grammar

Setting preload properties:

audio|video .preload="auto|metadata|none"

Back preload attributes:

audio|video .preload

Property Value

值 描述
auto 指示一旦页面加载，则开始加载音频/视频。
metadata 指示当页面加载后仅加载音频/视频的元数据。
none 指示页面加载后不应加载音频/视频。

technical details

返回值： 字符串值，auto|metadata|none

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