代码改错function runTime var d = new Date str = ; BirthDay = new Date2022-1-3; today = new Date; timeold = todaygetTime - BirthDaygetTime; sectimeold = timeold 1000 secondsold = Mathfl

function runTime() { var d = new Date(); var str = ''; var birthDay = new Date("2022-1-3"); var today = new Date(); var timeOld = today.getTime() - birthDay.getTime(); var secTimeOld = timeOld / 1000; var secondsOld = Math.floor(secTimeOld); var msPerDay = 24 * 60 * 60 * 1000; var msPerYear = 365 * 24 * 60 * 60 * 1000; var eDaysOld = timeOld / msPerDay; var eYearsOld = timeOld / msPerYear; var daysOld = Math.floor(eDaysOld); var yearsOld = Math.floor(eYearsOld); //str = yearsOld + "年"; str += daysOld + "天"; str += d.getHours() + '时'; str += d.getMinutes() + '分'; str += d.getSeconds() + '秒'; return str;