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I thought that Math.pow(2,2) was equal to 2^2 but it is not. So what does ^ (caret) mean in JavaScript?
I was executing some tests in the console but didn't recognize the results:
2 ^ 2 = 0
2 ^ 3 = 1
1 ^ 2 = 3
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The caret serves two different purposes. It is a special character that denotes “the beginning of a line” and it is a “not” operator inside of [] s. Matches any character that is not a vowel followed by any number of characters. Matches a vowel at the start of a line, followed by any number of characrters.
The bitwise XOR operator is indicated by a caret ( ^ ) and, of course, works directly on the binary form of numbers. Bitwise XOR is different from bitwise OR in that it returns 1 only when exactly one bit has a value of 1.
Definition of caret : a wedge-shaped mark made on written or printed matter to indicate the place where something is to be inserted.
The caret is used in various programming languages to signify the XOR operator, control characters and string concatenation. It is still used in regular expressions, to mark the beginning of a line or string.
It means bitwise XOR.
EDIT: Fixed link
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