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MessagePack.js is MessagePack implementation.

SupportTypes

	MessagePack.js	msgpack.js
undefined (as nil)	✅	✅
null (as nil)	✅	✅
Boolean	✅	✅
Number	✅	✅
+ FIX_INT	✅	✅
+ INT8	✅	✅
+ INT16	✅	✅
+ INT32	✅	✅
+ INT64	✅	✅
+ FIX_UINT	✅	✅
+ UINT8	✅	✅
+ UINT16	✅	✅
+ UINT32	✅	✅
+ UINT64	✅	✅
+ Infinity	✅	✅
String	✅	✅
+ FIX_STR	✅	✅
+ STR8	✅
+ STR16	✅	✅
+ STR32	✅	✅
Array	✅	✅
+ FIX_ARRAY	✅	✅
+ ARRAY32	✅	✅
+ ARRAY64	✅	✅
Object	✅	✅
+ FIX_MAP	✅	✅
+ MAP32	✅	✅
+ MAP64	✅	✅
Uint8Array	✅
+ BIN8	✅
+ BIN16	✅
+ BIN32	✅
Uint16Array	✅ (USER_EXT_TYPE)
Uint32Array	✅ (USER_EXT_TYPE)
Int8Array	✅ (USER_EXT_TYPE)
Int16Array	✅ (USER_EXT_TYPE)
Int32Array	✅ (USER_EXT_TYPE)
Float32Array	✅ (USER_EXT_TYPE)
Float64Array	✅ (USER_EXT_TYPE)
ArrayBuffer	✅ (USER_EXT_TYPE)
Date	✅ (USER_EXT_TYPE)
Other type	✅
+ FIX_EXT	✅ (USER_EXT_TYPE)
+ EXT8	✅ (USER_EXT_TYPE)
+ EXT16	✅ (USER_EXT_TYPE)
+ EXT32	✅ (USER_EXT_TYPE)

SupportFunctions

	MessagePack.js	msgpack.js
MessagePack Spec	2013	2010
run on Browser	✅	✅
run on WebWorkers	✅
run on Node.js	✅
run on NW.js	✅
UNICODE Surrogate Pairs	✅
ADVANCED_OPTIMIZATIONS	✅
Encode and Decode speed	😃	😧
USER_DEFINED_TYPE	✅