x <<= y (x = x << y)
x >>= y (x = x >> y)
x >>>= y (x = x >>> y)
x &= y (x = x & y)
x ^= y (x = x ^ y)
x |= y (x = x | y)
这些不同的运营商做了什么？
javascript bit-manipulation operators
bit-manipulation ×1
javascript ×1
operators ×1