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javascript - ~~(0+Math.random()*51) What is the difference between adding zero and not?
仅有的幸福
仅有的幸福 2017-07-05 10:43:08
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I tested and found no difference

~~(0+Math.random()*51)
仅有的幸福
仅有的幸福

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黄舟
黄舟2017-07-05 10:45:08 2 floor

It’s probably useless, maybe it’s a formula that has been preserved.

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学霸
学霸2017-07-05 10:45:08 1 floor

Who can understand the question written like this? It would be better to write it as Math.floor(Math.random() * 51).

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