Floating Point in JS 2月 23, 2018 1. 0.1 + 0.2 !== 0.3 ? 0.1 + 0.2 !== 0.3 ?120.1 + 0.2 !== 0.3 // true0.1 + 0.2 - 0.3 = 5.551115123125783e-17 JavaScript