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Asked: 2026-05-31T01:26:33+00:00

I came across some code as noted below and am confused as to what

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I came across some code as noted below and am confused as to what it’s doing.

hash += (hash << 10);
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  1. Editorial Team

    It’s a Bitwise Operator.

    Here’s an example from the MDN (linked to above):

         9 (base 10): 00000000000000000000000000001001 (base 2)
                  --------------------------------
9 << 2 (base 10): 00000000000000000000000000100100 (base 2) = 36 (base 10)

    See how the 1s have shifted?

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