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console.log(Number.MIN_VALUE);console.log(Number.MAX_VALUE);
VM944:2 5e-324
VM944:2 1.7976931348623157e+308
16进制,,8进制
var box=ox1f; 31 var box=072; 58 ,,
Infinity -Infinty
Number.POSTTIVE_INFINITY Number.NEGATIVE_INFINITY
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原文地址:http://www.cnblogs.com/futengsheng/p/5469355.html