1. File System Access API

    API for manipulating files in the device's local file system (not in a sandbox).

  2. document api: hasprivatetoken

  3. htmliframeelement api: privatetoken

  4. xmlhttprequest api: setprivatetoken

  5. javascript classes: private class fields

  6. javascript classes: private class fields 'in'

  7. javascript classes: private class methods