File API

Method of manipulating file objects in web applications client-side, as well as programmatically selecting them and accessing their data.

Object.observe data binding

Method for data binding, a now-withdrawn ECMAScript 7 proposal

htmlobjectelement api: data

idbdatabase api: createobjectstore

idbdatabase api: deleteobjectstore

idbdatabase api: objectstorenames

html element: object: data