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📅 最后修改于: 2022-03-11 15:03:01.304000 🧑 作者: Mango
Math.floor(5.9) // 5 rounds down Math.ceil(5.1) // 6 rounds up Math.round(5.5) // 6 round to nearest integer Math.trunc(5.1) // 5 removes fractional part