1 8 8 true undefined 2 [object ArrayBuffer] [object ArrayBuffer] [object Int8Array] 3 0 8 8 1 4 0 8 8 1 5 0 8 8 1 6 0 8 4 2 7 0 8 4 2 8 0 8 2 4 9 0 8 2 4 10 0 8 2 4 11 0 8 1 8 12 7071727374-807677 7071727374807677 13 727374-807677 2 6 14 72737480 2 4 15 71727374 1 4 16 717273748076 17 7372717077768074 1936879984 2004254836 18 73727170-1020305 1936879984 -16909061 19 73727170fefdfcfb 1936879984 4278058235 20 da0f4940fbfcfdfe 2 21 4ad8124dfb210940 1 22 4d12d84a400921fb 1293080650 1074340347 23 000000004ad8124dfb210940 24 -27b64d1221fb4009 d84a4d1221fb4009 25 00-1008021fb4009 ffff008021fb4009 26 0 1 2 3 4 5 6 7 27 0102030405060708 28 subarray(2,4)=0304 subarray(-6,-4)=0304 29 010203040506 30 03040506 0405 31 0102030405060708090a0b0c0d0e0f10 32 slice(4,8)=05060708 slice(-8,-4)=090a0b0c 33 0102030405060708090a0b0c 34 070609080b0a