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NavigatorPlugins.mimeTypes - Web APIs 编辑

Returns a MimeTypeArray object, which contains a list of MimeType objects representing the MIME types recognized by the browser.

Note: Named properties of MimeTypeArray objects are no longer enumerable in the latest browser versions.

Syntax

var mimeTypes[] = navigator.mimeTypes;

mimeTypes is a MimeTypeArray object which has a length property as well as item(index) and namedItem(name) methods.

Example

function isJavaPresent() {
  return 'application/x-java-applet' in navigator.mimeTypes;
}

function getJavaPluginDescription() {
  var mimetype = navigator.mimeTypes['application/x-java-applet'];
  if (mimetype === undefined) {
    // no Java plugin present
    return undefined;
  }
  return mimetype.enabledPlugin.description;
}