钥匙要点
- > jQuery datetime功能的功能非常广泛,提供了完整的日期和时间操作范围,包括获取日期,转换日期,验证日期和比较日期。 >这些功能还包括将日期字符串转换为日期对象的功能,确定出发日期和退货日期是否有效,并检测一年是否是LEAP年。
- > jquery4u.datetime.js库还包括一个综合日期格式函数,类似于PHP的日期函数,允许自定义日期格式。 库非常易于实现,其间接费用最小,可确保速度和准确性,使其比其他日期/时间库成为首选选择。
- >
- > jQuery日期/时间完成清单
经常询问有关JavaScript DateTime功能的问题(常见问题解答)
在JavaScript,JavaScript,date()和new Date()中,JavaScript Date()和new Date()?但是,它们的功能不同。当您将date()用作没有“新”关键字的函数时,它将当前日期和时间作为字符串返回。另一方面,当您使用new Date()时,它将返回一个新的日期对象,代表当前日期和时间。<span>/*___ FILE: "JQUERY4U.datetime.js" ___*/ </span><span>;(function($) </span><span>{ </span> <span>/** </span><span> * jQuery Date and time functions - Complete List </span><span> */ </span> <span>var JQUERY4U = JQUERY4U || {}; </span> <span>JQUERY4U.DATETIME = </span> <span>{ </span> <span>/** </span><span> * Name of this class (used for error handling and/or debugging purposes) </span><span> * <span>@type String </span></span><span> */ </span> <span>name: 'JQUERY4U.DATETIME', </span> <span>init: function() </span> <span>{ </span> <span>JQUERY4U.UTIL.handleErrors(this); </span> <span>Date.prototype.<span>JQUERY4UFormat</span> = this.format; </span> <span>}, </span> <span>/** </span><span> * Return today's date in dd/mm/yyyy format </span><span> * <span>@returns <span>{String}</span> Date in dd/mm/yyyy format </span></span><span> */ </span> <span>todaysDate: function() </span> <span>{ </span> <span>return this.futureDateDays(0); </span> <span>}, </span> <span>/** </span><span> * Return tomorrow's date in dd/mm/yyyy format </span><span> * <span>@returns <span>{String}</span> Date in dd/mm/yyyy format </span></span><span> */ </span> <span>tomorrowsDate: function() </span> <span>{ </span> <span>return this.futureDateDays(1); </span> <span>}, </span> <span>/** </span><span> * Return date 7 days from now in dd/mm/yyyy format </span><span> * <span>@returns <span>{String}</span> Date in dd/mm/yyyy format </span></span><span> */ </span> <span>weekFromToday: function() </span> <span>{ </span> <span>return this.futureDateDays(7); </span> <span>}, </span> <span>/** </span><span> * Return the first day of the next month </span><span> * <span>@returns <span>{String}</span> Date in dd/mm/yyyy format </span></span><span> */ </span> <span>firstDayNextMonth: function() </span> <span>{ </span> <span>var today = new Date(); </span> nextMonth <span>= new Date(today.getFullYear(), today.getMonth() + 1, 1); </span> nextMonth<span>.getDate() +'/'+ (nextMonth.getMonth() + 1) +'/'+ nextMonth.getFullYear(); </span> <span>return this.leadingZero(nextMonth.getDate()) +'/'+ this.leadingZero(nextMonth.getMonth() + 1) +'/'+ nextMonth.getFullYear(); </span> <span>}, </span> <span>/** </span><span> * Returns x number of dates date in the future in dd/mm/yyyy format </span><span> * <span>@param <span>{Integer}</span> days Number of days into the future </span></span><span> * <span>@returns <span>{String}</span> Date in dd/mm/yyyy format </span></span><span> */ </span> <span>futureDateDays: function(days) </span> <span>{ </span> <span>var futureDate = new Date(); </span> futureDate<span>.setDate(futureDate.getDate() + days); </span> <span>return this.leadingZero(futureDate.getDate()) +'/'+ this.leadingZero(futureDate.getMonth() + 1) +'/'+ this.leadingZero(futureDate .getFullYear()); </span> <span>}, </span> <span>/** </span><span> * Return the current time in HHMM format </span><span> * <span>@returns <span>{String}</span> Time in HHMM (e.g. 23:12) format </span></span><span> */ </span> <span>timeHHMM: function() </span> <span>{ </span> <span>var today = new Date(); </span> <span>return this.leadingZero(today.getHours()) + this.leadingZero(today.getMinutes()); </span> <span>}, </span> <span>/** </span><span> * Return the current time in HHMMSS format </span><span> * <span>@returns <span>{String}</span> Time in HHMMSS (e.g. 23:12:33) format </span></span><span> */ </span> <span>timeHHMMSS: function() </span> <span>{ </span> <span>var today = new Date(); </span> <span>return this.leadingZero(today.getHours()) +':'+ this.leadingZero(today.getMinutes()) +':'+ this.leadingZero(today.getSeconds()); </span> <span>}, </span> <span>/** </span><span> * Takes a date string in Australian format and returns date string in US format </span><span> * <span>@param <span>{String}</span> dateStr Date in dd/mm/yyyy format </span></span><span> * <span>@param <span>{String}</span> <span>[separator=<span>"-"</span>]</span> separator character in return date string </span></span><span> * <span>@returns <span>{String}</span> date in mm/dd/yyyy format </span></span><span> */ </span> <span>convertUSFormat: function(dateStr<span>, separator</span>) </span> <span>{ </span> <span>var separator = (typeof(separator) == 'undefined') ? '-' : separator; </span> <span>var re = new RegExp('([0-9]{2})/([0-9]{2})/([0-9]{4})', 'm'); </span> <span>var matches = re.exec(dateStr); </span> <span>return matches[2] + separator + matches[1] + separator + matches[3]; </span> <span>}, </span> <span>/** </span><span> * Convert date in mm/dd/yyyy format and return in dd-mm-yyyy format (depending upon separator) </span><span> * <span>@param <span>{String}</span> dateStr Date in mm/dd/yyyy format </span></span><span> * <span>@param <span>{String}</span> <span>[separator=<span>"-"</span>]</span> Separator character in return date string </span></span><span> * <span>@returns <span>{String}</span> Date in mm-dd-yyyy format (presuming "-" is separator character) </span></span><span> */ </span> <span>convertUStoAUSDate: function(dateStr<span>, separator</span>) </span> <span>{ </span> <span>var separator = (typeof(separator) == 'undefined') ? '-' : separator; </span> <span>var re = new RegExp('([0-9]{2})/([0-9]{2})/([0-9]{4})', 'm'); </span> <span>var matches = re.exec(dateStr); </span> <span>return matches[2] + separator + matches[1] + separator + matches[3]; </span> <span>}, </span> <span>/** </span><span> * Return whether the supplied date components form the expected date </span><span> * <span>@param <span>{String}</span> year </span></span><span> * <span>@param <span>{String}</span> month </span></span><span> * <span>@param <span>{String}</span> day </span></span><span> * <span>@returns <span>{Boolean}</span> True if the date components match the date values in Date object </span></span><span> */ </span> <span>isValidDate: function(year<span>, month, day</span>) </span> <span>{ </span> <span>var dt = new Date(parseInt(year, 10), parseInt(month, 10)-1, parseInt(day, 10)); </span> <span>if(dt.getDate() != parseInt(day, 10) || dt.getMonth() != (parseInt(month, 10)-1) || dt.getFullYear() != parseInt(year, 10)) </span> <span>{ </span> <span>return false; </span> <span>} </span> <span>return true; </span> <span>}, </span> <span>/** </span><span> * Takes a date object and returns in yyyymmdd format </span><span> * <span>@param <span>{Date Object}</span> dateObj </span></span><span> * <span>@returns <span>{String}</span> Date in yyyymmdd format </span></span><span> */ </span> <span>dateToYYYYMMDD: function(dateObj) </span> <span>{ </span> <span>return (dateObj.getFullYear() + this.leadingZero(dateObj.getMonth() + 1) + this.leadingZero(dateObj.getDate())).toString(); </span> <span>}, </span> <span>/** </span><span> * Takes a date object and returns in ddmmyyyy format </span><span> * <span>@param <span>{Date Object}</span> dateObj </span></span><span> * <span>@returns <span>{String}</span> Date in ddmmyyyy format </span></span><span> */ </span> <span>dateToDDMMYYYY: function(dateObj) </span> <span>{ </span> <span>return (this.leadingZero(dateObj.getDate()) + this.leadingZero(dateObj.getMonth() + 1) + dateObj.getFullYear()).toString(); </span> <span>}, </span> <span>/** </span><span> * Takes a date string in dd/mm/yyyy format </span><span> * <span>@param <span>{String}</span> dateString Date in dd/mm/yyyy format </span></span><span> * <span>@returns <span>{Date Object}</span> Returns false if date sring is invalid </span></span><span> */ </span> <span>stringToDate: function(dateString) </span> <span>{ </span> <span>try </span> <span>{ </span> <span>var matches = dateString.match(/([0-9]{2})/([0-9]{2})/([0-9]{4})/); </span> <span>if(this.isValidDate(matches[3], matches[2], matches[1]) === false) </span> <span>{ </span> <span>return false; </span> <span>} </span> <span>return new Date(matches[3], parseInt(matches[2], 10)-1, parseInt(matches[1], 10)); </span> <span>} </span> <span>catch(e) </span> <span>{ </span> <span>return false; </span> <span>} </span> <span>}, </span> <span>/** </span><span> * Adds leading zero if passed value is single digit </span><span> * <span>@param <span>{String}</span> val </span></span><span> * <span>@returns <span>{String}</span> </span></span><span> */ </span> <span>leadingZero: function(val) </span> <span>{ </span> <span>var str = val.toString(); </span> <span>if(str.length == 1) </span> <span>{ </span> str <span>= '0' + str; </span> <span>} </span> <span>return str; </span> <span>}, </span> <span>/** </span><span> * Checks if return date is equal or after departure date </span><span> * <span>@param <span>{String}</span> departureDate </span></span><span> * <span>@param <span>{String}</span> returnDate </span></span><span> * <span>@returns <span>{Boolean}</span> </span></span><span> */ </span> <span>isDepartureReturnDateValid: function(departureDate<span>, returnDate</span>) </span> <span>{ </span> <span>var dep = this.stringToDate(departureDate); </span> <span>var ret = this.stringToDate(returnDate); </span> <span>if(dep > ret) </span> <span>{ </span> <span>return false; </span> <span>} </span> <span>return true; </span> <span>}, </span> <span>/** </span><span> * Detect whether the year supplied is a leap year </span><span> * <span>@param <span>{Integer}</span> year </span></span><span> * <span>@returns <span>{Boolean}</span> </span></span><span> */ </span> <span>isLeapYear: function(year) </span> <span>{ </span> year <span>= parseInt(year, 10); </span> <span>if(year % 4 == 0) </span> <span>{ </span> <span>if(year % 100 != 0) </span> <span>{ </span> <span>return true; </span> <span>} </span> <span>else </span> <span>{ </span> <span>if(year % 400 == 0) </span> <span>{ </span> <span>return true; </span> <span>} </span> <span>else </span> <span>{ </span> <span>return false; </span> <span>} </span> <span>} </span> <span>} </span> <span>return false; </span> <span>}, </span> <span>compareDates: function(<span>from, to</span>) </span> <span>{ </span> <span>var dateResult = to.getTime() - from.getTime(); </span> <span>var dateObj = {}; </span> dateObj<span>.weeks = Math.round(dateResult/(1000 * 60 * 60 * 24 * 7)); </span> dateObj<span>.days = Math.ceil(dateResult/(1000 * 60 * 60 * 24)); </span> dateObj<span>.hours = Math.ceil(dateResult/(1000 * 60 * 60)); </span> dateObj<span>.minutes = Math.ceil(dateResult/(1000 * 60)); </span> dateObj<span>.seconds = Math.ceil(dateResult/(1000)); </span> dateObj<span>.milliseconds = dateResult; </span> <span>return dateObj; </span> <span>}, </span> <span>compareDatesDDMMYYYY: function(<span>from, to</span>) </span> <span>{ </span> <span>from = from.split('/'); </span> <span>from = new Date(from[2], from[1], from[0]); </span> to <span>= to.split('/'); </span> to <span>= new Date(to[2], to[1], to[0]); </span> <span>return this.compareDates(from, to); </span> <span>}, </span> <span>/** </span><span> * Allow nice formatting of dates like PHP's Date function </span><span> * Derived from code written by Jac Wright at http://jacwright.com/projects/javascript/date_format </span><span> * <span>@param <span>{Date}</span> date JavaScript date object </span></span><span> * <span>@param <span>{String}</span> format Date format string </span></span><span> * <span>@returns <span>{String}</span> </span></span><span> */ </span> <span>format: function() </span> <span>{ </span> <span>var date, </span> format<span>, </span> args <span>= [].slice.call(arguments), </span> returnStr <span>= '', </span> curChar <span>= '', </span> months <span>= ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'], </span> days <span>= ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], </span> methods <span>= </span> <span>{ </span> <span>// Day </span> <span>d: function() { return (date.getDate() <span><span>D</span>: function() { return days[date.getDay()].substring(0, 3); }, </span> <span>j: function() { return date.getDate(); }, </span> <span>l: function() { return days[date.getDay()]; }, </span> <span><span>N</span>: function() { return date.getDay() + 1; }, </span> <span><span>S</span>: function() { return (date.getDate() % 10 == 1 && date.getDate() != 11 ? 'st' : (date.getDate() % 10 == 2 && date.getDate() != 12 ? 'nd' : (date.getDate() % 10 == 3 && date.getDate() != 13 ? 'rd' : 'th'))); }, </span> <span>w: function() { return date.getDay(); }, </span> <span>// Month </span> <span><span>F</span>: function() { return months[date.getMonth()]; }, </span> <span>m: function() { return (date.getMonth() <span><span>M</span>: function() { return months[date.getMonth()].substring(0, 3); }, </span> <span>n: function() { return date.getMonth() + 1; }, </span> <span><span>Y</span>: function() { return date.getFullYear(); }, </span> <span>y: function() { return ('' + date.getFullYear()).substr(2); }, </span> <span>// Time </span> <span>a: function() { return date.getHours() <span><span>A</span>: function() { return date.getHours() <span>g: function() { return date.getHours() % 12 || 12; }, </span> <span><span>G</span>: function() { return date.getHours(); }, </span> <span>h: function() { return ((date.getHours() % 12 || 12) <span><span>H</span>: function() { return (date.getHours() <span>i: function() { return (date.getMinutes() <span>s: function() { return (date.getSeconds() <span>// Timezone </span> <span><span>O</span>: function() { return (-date.getTimezoneOffset() <span><span>P</span>: function() { return (-date.getTimezoneOffset() <span><span>T</span>: function() { var m = date.getMonth(); date.setMonth(0); var result = date.toTimeString().replace(<span>/<span>^.+ (?(<span>[^)]</span>+))?$</span>/</span>, ''); date.setMonth(m); return result;}, </span> <span><span>Z</span>: function() { return -date.getTimezoneOffset() * 60; }, </span> <span>// Full Date/Time </span> <span>c: function() { return date.format("Y-m-d") + "T" + date.format("H:i:sP"); }, </span> <span>r: function() { return date.toString(); }, </span> <span><span>U</span>: function() { return date.getTime() / 1000; } </span> <span>}; </span> <span>if(typeof this.getMonth == 'function') </span> <span>{ </span> date <span>= this; </span> format <span>= args[0]; </span> <span>} </span> <span>else </span> <span>{ </span> date <span>= args[0]; </span> format <span>= args[1]; </span> <span>} </span> <span>for(var i = 0; i <span>{ </span> <span>var curChar = format.charAt(i); </span> <span>if(methods[curChar]) </span> <span>{ </span> returnStr <span>+= methods[curChar].call(); </span> <span>} </span> <span>else </span> <span>{ </span> returnStr <span>+= curChar; </span> <span>} </span> <span>} </span> <span>return returnStr; </span> <span>} </span> <span>}; </span> <span>JQUERY4U.DATETIME.init(); </span><span>})(jQuery);</span></span></span></span></span></span></span></span></span></span></span></span>>
>我如何格式化JavaScript中的日期?
JavaScript提供了几种格式化日期的方法。最常见的方法是使用TodateString()函数,该函数将日期转换为更可读的格式。您还可以使用诸如TolocaledAteString()或ToisoString()之类的方法来格式化日期根据语言环境或ISO标准格式进行。>
>我如何从Javascript中的日期添加或减去JavaScript的天数?>
在JavaScript中,您可以使用标准比较操作员比较两个日期(==,!=,!=,, =)。但是,重要的是要注意,这些操作员比较日期对象,而不是实际日期。要比较自己的日期,您应该使用getTime()方法。最简单的方法是创建一个新的日期对象而无需任何参数,这将代表当前日期和时间。然后,您可以使用诸如gethours(),getminutes()和getEconds()之类的方法来获取当前时间。
>>如何将字符串转换为JavaScript中的日期?您可以将字符串传递给日期构造函数,它将尝试对其进行解析。但是,重要的是要注意,解析取决于字符串的格式,并且可能无法按照所有格式的预期工作。
>>我如何在JavaScript的一周中获得JavaScript的一天?
javaScript,提供了GetDay(getDay()方法,哪些是在周日为周日,每周为周日,周一和周一)的方法。要获取当天的名字,您可以创建一系列名称并将数字用作索引。
>>我如何检查一年是javaScript中的leap吗?
>>一年是否是javascript中的leap年,您是否可以使用每年的leap,否则不适合100岁,但要划分100,因为它是可分配的,因为它是划分的。除多年以外的100个均匀排除的年份外,被400分均匀的年份均匀分别为4。这将为您提供毫秒的差异。然后,您可以根据需要将其转换为几天,小时,分钟或秒。
>如何在JavaScript中设置特定的日期和时间?
以上是jQuery DateTime功能 - 完整列表的详细内容。更多信息请关注PHP中文网其他相关文章!

不同JavaScript引擎在解析和执行JavaScript代码时,效果会有所不同,因为每个引擎的实现原理和优化策略各有差异。1.词法分析:将源码转换为词法单元。2.语法分析:生成抽象语法树。3.优化和编译:通过JIT编译器生成机器码。4.执行:运行机器码。V8引擎通过即时编译和隐藏类优化,SpiderMonkey使用类型推断系统,导致在相同代码上的性能表现不同。

JavaScript在现实世界中的应用包括服务器端编程、移动应用开发和物联网控制:1.通过Node.js实现服务器端编程,适用于高并发请求处理。2.通过ReactNative进行移动应用开发,支持跨平台部署。3.通过Johnny-Five库用于物联网设备控制,适用于硬件交互。

我使用您的日常技术工具构建了功能性的多租户SaaS应用程序(一个Edtech应用程序),您可以做同样的事情。 首先,什么是多租户SaaS应用程序? 多租户SaaS应用程序可让您从唱歌中为多个客户提供服务

本文展示了与许可证确保的后端的前端集成,并使用Next.js构建功能性Edtech SaaS应用程序。 前端获取用户权限以控制UI的可见性并确保API要求遵守角色库

JavaScript是现代Web开发的核心语言,因其多样性和灵活性而广泛应用。1)前端开发:通过DOM操作和现代框架(如React、Vue.js、Angular)构建动态网页和单页面应用。2)服务器端开发:Node.js利用非阻塞I/O模型处理高并发和实时应用。3)移动和桌面应用开发:通过ReactNative和Electron实现跨平台开发,提高开发效率。

JavaScript的最新趋势包括TypeScript的崛起、现代框架和库的流行以及WebAssembly的应用。未来前景涵盖更强大的类型系统、服务器端JavaScript的发展、人工智能和机器学习的扩展以及物联网和边缘计算的潜力。

JavaScript是现代Web开发的基石,它的主要功能包括事件驱动编程、动态内容生成和异步编程。1)事件驱动编程允许网页根据用户操作动态变化。2)动态内容生成使得页面内容可以根据条件调整。3)异步编程确保用户界面不被阻塞。JavaScript广泛应用于网页交互、单页面应用和服务器端开发,极大地提升了用户体验和跨平台开发的灵活性。

Python更适合数据科学和机器学习,JavaScript更适合前端和全栈开发。 1.Python以简洁语法和丰富库生态着称,适用于数据分析和Web开发。 2.JavaScript是前端开发核心,Node.js支持服务器端编程,适用于全栈开发。


热AI工具

Undresser.AI Undress
人工智能驱动的应用程序,用于创建逼真的裸体照片

AI Clothes Remover
用于从照片中去除衣服的在线人工智能工具。

Undress AI Tool
免费脱衣服图片

Clothoff.io
AI脱衣机

AI Hentai Generator
免费生成ai无尽的。

热门文章

热工具

禅工作室 13.0.1
功能强大的PHP集成开发环境

SublimeText3 Linux新版
SublimeText3 Linux最新版

DVWA
Damn Vulnerable Web App (DVWA) 是一个PHP/MySQL的Web应用程序,非常容易受到攻击。它的主要目标是成为安全专业人员在合法环境中测试自己的技能和工具的辅助工具,帮助Web开发人员更好地理解保护Web应用程序的过程,并帮助教师/学生在课堂环境中教授/学习Web应用程序安全。DVWA的目标是通过简单直接的界面练习一些最常见的Web漏洞,难度各不相同。请注意,该软件中

记事本++7.3.1
好用且免费的代码编辑器

螳螂BT
Mantis是一个易于部署的基于Web的缺陷跟踪工具,用于帮助产品缺陷跟踪。它需要PHP、MySQL和一个Web服务器。请查看我们的演示和托管服务。