Number 返回1970年一月一日午夜至调整过的日期的毫秒表示。在 ECMAScript 标准化之前,该方法什么都不返回技术细节JavaScript 版本: 1.0更多实例实例 设置日期为 5 月 20 号: var d = new Date(); d.setMonth(4,20); d 输出结果: Mon May 20 2024 22:09:38 GMT+0800 (China Standard Time) 尝试一...
constyear=timeBox.getMyYear(null,'年');console.log(year);// 2024年constyearALB=timeBox.getMyYear(null,'سنة');console.log(yearALB);// 2024سنةconstmonth=timeBox.getMyMonth(null,'月');console.log(month);// 05月constdate=timeBox.getMyDate(null);console.log(date);// 23...
function addToDate(date, month) { // ... } const date = new Date(); // It's hard to tell from the function name what is added addToDate(date, 1);Good:function addMonthToDate(month, date) { // ... } const date = new Date(); addMonthToDate(1, date);...
//只能转化为字符串和布尔值console.log(String(name));console.log(Boolean(name));console.log(Number(name))不能做任何运算 let name=Symbol('Echa');console.log(name+111)console.log(name+'ccc')//全部报错 symbol生成的值作为属性或者方法的时候，一定要保存下来，否则后续无法使用 let name=Symbol('na...
putstr("Enter a month number: "); var monthNum = readline(); var monthName; switch (monthNum) { case "1": monthName = "January"; break; case "2": monthName = "February"; break; case "3": monthName = "March"; break; case "4": monthName = "April"; break; case "5": monthNa...
getMonth(): The getMonth() month returns the month in number format (from 0 - 11). Note: 0 represents January, 1 represents February, and so on. toLocaleString(): The toLocaleString() formats the date into a specified format. You can also read, how to get a current month name in Jav...
第一种可以马上想到的是使用Date对象的api方法,获得年份,月份,天,小时,分钟和秒数,就可以拼出来。从Date.prototype.toISOString方法稍微改造就可以了: 代码语言:javascript 复制 if(!Date.prototype.toISOString){(function(){functionpad(number){if(number<10){return'0'+number;}returnnumber;}Date.prototype.toISO...
Finally, December is month number 11. Examples constd =newDate("2021-03-25"); d.getMonth(); Try it Yourself » constd =newDate(); d.getMonth(); Try it Yourself » Note You can use an array of names to return the month as a name: ...
functionconvertNumberToTime(number){constdate=newDate(number*1000);constyear=date.getFullYear();constmonth=('0'+(date.getMonth()+1)).slice(-2);constday=('0'+date.getDate()).slice(-2);consthours=('0'+date.getHours()).slice(-2);constminutes=('0'+date.getMinutes()).slice(-2);...