JavaScript计算解决方案的相关内容

文章 2023-07-21 来自：开发者社区

javascript自动判断15位和18为身份证号计算年龄的解决方案

项目需求人员信息录入过程中，需要根据身份证号码，自动计算出当前的年龄。方案代码//根据身份证，自动计算年龄； function GetAge(identityCard) { var len = (identityCard + "").length; if (len == 0) { return 0; } else { if ((len !=...

文章 2023-07-21 来自：开发者社区

javascript时间函数的运用：根据开始时间和时间差来计算截至时间的解决方案

项目需求根据开始时间和时间差来确定截至时间项目说明开始时间：2020-10-10 09:16:50查询2小时前的时间，即：2020-10-10 07:16:50项目方案js时间函数需要使用不同的属性来组合实现具体时间；时间不足十位数的，需要0补充；将时间转化时间戳，然后毫秒加减实现时间的差值计算方案代码//计算时间; function getTimes(fromTime, hours) { ...

文章 2022-06-08 来自：开发者社区

【问题】javascript计算丢失精度解决方案

1、问题描述：两个有限的数字相减得到小数点后面类似00000000000001,69999999999999之类的数。像下面这样0.1 + 0.2没有返回0.3，反而返回0.30000000000000004。原因是因为计算机把数字转成二进制计算再将计算转成十进制的这个过程出现的计算误差。不仅仅是JavaScript会出现这个问题，其他语言也会有。不过解决思路都是一样的0.1 + 0.2 =&am...

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更新时间 2023-07-24 09:29:41

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