1. Blob constructing

    Construct Blobs (binary large objects) either using the BlobBuilder API (deprecated) or the Blob constructor.

  2. IndexedDB 2.0

    Improvements to Indexed DB, including getAll(), renaming stores and indexes, and binary keys.

  3. Typed Arrays

    JavaScript typed arrays provide a mechanism for accessing raw binary data much more efficiently. Includes: `Int8Array`, `Uint8Array`, `Uint8ClampedArray`, `Int16Array`, `Uint16Array`, `Int32Array`, `Uint32Array`, `Float32Array` & `Float64Array`

  4. filereadersync api: readasbinarystring

  5. filereader api: readasbinarystring

  6. idbcursor api: key: binary keys

  7. presentationconnection api: binarytype

  8. rtcdatachannel api: binarytype

  9. rtcdatachannel api: binarytype: `arraybuffer` value

  10. rtcdatachannel api: binarytype: `blob` value

  11. websocket api: binarytype

  12. css property: list-style-type: binary

  13. grammar: binary numeric literals (`0b`)