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tpps88206/index.js

Created November 20, 2020 10:36
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在 Javascript 中，透過取一個很小的誤差當作容許值，解決 0.1 + 0.2 不等於 0.3 的問題
Raw
index.js
function equal(n1, n2) {
return Math.abs(n1 - n2) < Number.EPSILON;
}
var a = 0.1 + 0.2;
var b = 0.3;
equal(a, b); // true
equal(0.0000001, 0.0000002); // false
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