What do these JavaScript bitwise operators do? -

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  • 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)

what these different operators do?

<<, >>

bit shift left , right, respectively. if imagine left operand binary sequence of bits, shifting left or right number of bits indicated right operand.

&, ^, |

these bitwise and, xor, , or, respectively. can think of & , | counterparts && , ||, except treat operands bit vectors, , perform logical operations on each of bits. there no ^^ operator, operation "xor" or "exclusive or". can think of "a xor b" "a or b, not both".


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