MimeTypeArray - Web APIs 编辑

Experimental

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The MimeTypeArray interface returns an array of MimeType instances, each of which contains information about a supported browser plugins. This object is returned by NavigatorPlugins.mimeTypes.

Properties

MimeTypeArray.length

The number of items in the array.

Methods

MimeTypeArray.item()

Returns the MimeType object with the specified index.

MimeTypeArray.namedItem()

Returns the MimeType object with the specified name.

Example

The following example tests whether a plugin is available for the application/pdf mime type and if so, which plugin that is.

var mimeTypes = navigator.mimeTypes;
var flashPlugin = mimeTypes['video/x-flv'];
if (typeof flashPlugin === "undefined") {
  var vid = document.createElement('video');
  // Use vid.canPlayType() to test for a supported mime type.
} else {
  // Notify the user that flash is being deprecated and they
  //   should upgrade their browser.
}

Specifications

Browser compatibility

BCD tables only load in the browser