Possible Duplicate:
Is JavaScript s Math broken?
当在联署材料中我减去6.4-1.6 我得到4800000000000001的答案时, 但我需要4.8的答案而不使用Fixed ()、Pecision () 和 Math.wound () 。
谢谢
结晶晶体
Possible Duplicate:
Is JavaScript s Math broken?
当在联署材料中我减去6.4-1.6 我得到4800000000000001的答案时, 但我需要4.8的答案而不使用Fixed ()、Pecision () 和 Math.wound () 。
谢谢
结晶晶体
在进行减法前将整数转换为整数,以避免浮点算术出现问题:
(6.4 * 10 - 1.6 * 10) / 10
见“http://floating-point-gui.de/>每个程序员应该知道的关于浮动-point Airthmatic
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