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GitHub
8 年
JavaScript 浮点数陷阱及解法 #9
众所周知,JavaScript 浮点数运算时经常遇到会 0.000000001 和 0.999999999 这样奇怪的结果,如 0.1+0.2=0.30000000000000004、1-0.9=0.09999999999999998,很多人知道这是浮点数误差问题,但具体就说不清楚了。本文帮你理清这背后的原理以及解决方案,还会向你解释JS中的大数危机 ...
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