newM, 0); //某年月的最后一天 中国标准时间格式 var newlastDay = lastDay.getDate(); //转化为具体数字格式 // val 传入的格式: 2022-07-06 let timeArr = val.split("-"); var myDate = new Date(); myDate.setFullYear(timeArr[0], Number(timeArr[1
var date = new Date(); var year = date.getFullYear();//年 var month = date.getMonth();//月(0-11) var currentY = year; var currentM = month; var currentD = date.getDate(); showDate(date); var lastBtn = document.getElementById("showLastMonth"); var nextBtn = document...
consthours=currentDate.getHours();constminutes=currentDate.getMinutes();constseconds=currentDate.getSeconds(); 获取星期几: 代码语言:javascript 复制 constweekday=currentDate.getDay(); 获取毫秒数: 代码语言:javascript 复制 constmilliseconds=currentDate.getMilliseconds(); ...
//获取星期 var d = Solar.fromDate(new Date()); console.log(d.getWeek());//数字 console.l...
currentdate=newDate();varoneJan=newDate(currentdate.getFullYear(),0,1);varnumberOfDays=Math.floor((currentdate-oneJan)/(24*60*60*1000));varresult=Math.ceil(( currentdate.getDay()+1+numberOfDays)/7);console.log(`The week number of the current date (${currentdate}) is${result}.`...
Week Start Date Write a JavaScript function to get the week's start date. Sample Solution: JavaScript Code: // Define a function startOfWeek that takes a Date object date as inputfunctionstartOfWeek(date){// Calculate the difference between the date's day of the month and its day of the...
const today = new Date();const tomorrow = new Date(today.setDate(today.getDate() + 1));console.log(tomorrow);console.log(today); 此时,两个时间输出是一样的,不符合我们的预期。正因为 Date() 对象存在的种种问题。平时我们经常需要借助 moment.js、Day.js等日期库,但是它们的体积较大,有时一个...
new Date()Creates a new Date object constructorCreates a new Date object constructorReturns the function that created the Date prototype getDate()Returns the day of the month (from 1-31) getDay()Returns the day of the week (from 0-6) ...
getDate()).padStart(2, '0'); // 日 const mm = String(today.getMonth() + 1).padStart(2, '0'); // 月 const yyyy = today.getFullYear(); // 年 const curDate = `${yyyy}-${mm}-${dd}` console.log(curDate) // 输出: 2021-09-17 在day.js中我们只需这样,当然不止这样,还...
constcurrentDate=newDate();consttimestamp=currentDate.getTime(); 1. 2. 在JavaScript 中,时间戳是自 1970 年 1 月 1 日以来经过的毫秒数。如果不需要支持<IE8,可以使用Date.now()直接获取时间戳,而无需创建新的 Date 对象。 解析日期 可以通过不同的方式将字符串转换为 JavaScript 日期对象。Date 对象...