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[js] 第399天 Number()的存储空间是多大？假如接口返回一个超过最大字节的数字怎么办？ #2396

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haizhilin2013 opened this issue May 18, 2020 · 1 comment

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haizhilin2013 commented May 18, 2020

第399天 Number()的存储空间是多大？假如接口返回一个超过最大字节的数字怎么办？

我也要出题

haizhilin2013 added the js label

jsThin commented May 20, 2020

Number类型的最大值为2的53次方，即9007199254740992，如果超过这个值，比如900719925474099222，那么得到的值会不精确，也就是900719925474099200

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