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.


var mimeTypes[] = navigator.mimeTypes;

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


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;


Specification Status Comment
HTML Living Standard
The definition of 'NavigatorPlugins.mimeTypes' in that specification.
Living Standard Initial definition.

Browser compatibility

BCD tables only load in the browser