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在 for 循环中，表达式s+=0.01输出的s为什么不是等差数列？

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在 for 循环中，表达式s+=0.01输出的s为什么不是等差数列？

clipboard.png
按理说输出的应该是
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
1.00
1.01
为什么输出的结果是上图的这种呢，怎么会突然冒出来这么多的小数呢？


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1 Answer

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by (71.8m points)

精度误差，用s.toFixed(2)


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