let todaytime = new Date()    let permittime = new Date("2020-04-24 09:00:00")         if ((todaytime < permittime)) { //安卓手机上能获正常值,但在苹果手机上,小程序在发布后不管todaytime如何变化,此句值总是false,为何?      console.log('系统提示目前尚未到儿童体检预约时间！')   }

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