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Reverse XOR operator in JavaScript?

原文 2013-04-07 19:16:44 7 1 javascript/ xor

I have 2 variables, x and y .

I am doing z = x^y .

Now assuming I know only z and y , How can I get x back? Is there an opposite to ^ in JavaScript?

1 answers

是的， ^是它自己的逆。

x == (x^y)^y

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