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evansdiy/gist:458da71dbfb364d10e92534d5412b4f2

Created May 31, 2016 13:49
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check num is odd or even
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gistfile1.txt
function isEven(num) {
return (num & 1) === 0;
}
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evansdiy commented May 31, 2016 •
edited

if the num is even then the last bit of it should be 0, so the bitwise and operator return 0. 0 === 0, is't even.

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