Web Front-endJS TutorialSharing examples of making calendar controls with native js_javascript skillsSharing examples of making calendar controls with native js_javascript skills
The example in this article shares with you a simple calendar control implemented in js for your reference. The specific content is as follows
Rendering:
Specific code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>date</title>
<style type="text/css">
*{ margin:0; padding:0;}
a{ text-decoration:none; outline:none;}
body a{outline:none;blr:expression(this.onFocus=this.blur());}
img{ border:none;}
ul{ list-style:none;}
body{ color:#666666; font-size:14px; font-family:"微软雅黑"; background-color:#fff; height:100%; overflow-y:scroll;*overflow-y:inherit;}
/*html{ height:100%;}*/
.clearfix:after{ content:"."; display:block; height:0; clear:both; overflow:hidden;}
.clearfix{ zoom:1;}
#box{width:350px; position:absolute;}
#title{width:350px; height:50px;}
#month{ float:left;width:60px; height:50px;text-align:center;cursor:pointer;line-height:50px;}
#year{float:left;width:80px; height:50px;text-align:center;cursor:pointer;line-height:50px;}
#week{ width:350px;height:50px;}
#week div{ float:left; width:48px; height:48px; margin:1px; background:#C90; color:#fff; text-align:center; line-height:48px; cursor:pointer;}
#con{ width:350px;}
#con div{ float:left; width:48px; height:48px; margin:1px; background:#CCC; color:#333; text-align:center; line-height:48px; cursor:pointer;}
#con .edate{background:#999;}
#con .edate:hover{background:#09F; color:#fff;}
#con div.now{background:#09F; color:#fff;}
#prevmonth,#nextmonth,#prevyear,#nextyear{float:left;width:50px; height:50px;text-align:center;cursor:pointer;line-height:50px;}
#btns{width:350px; height:40px;}
#nowtime{ float:left; margin:5px; height:30px; line-height:30px; padding:0 5px; background:#09F; cursor:pointer; border-radius:5px;}
#nowtime:hover{background:#ddd;}
#cleartime{float:left; margin:5px; height:30px; line-height:30px; padding:0 5px; background:#09F; cursor:pointer; border-radius:5px;}
</style>
</head>
<body>
<p style=" margin:100px;">选择日期：<input type="text" id="date" value="" style="height:40px; line-height:40px;"/></p>
</body>
<script type="text/javascript">
window.onload=function(){
//创建日历控件基本结构
var obody=document.body;
createbox();
function createbox(){
var ddbox=document.createElement("div");
ddbox.id="box";
ddbox.style.display="none";
var str="";
str+='<div id="title"><div id="prevyear"><<</div><div id="prevmonth"><</div><div id="month"></div><div id="year"></div><div id="nextmonth">></div><div id="nextyear">>></div></div>';
str+='<div id="week"><div>日</div><div>一</div><div>二</div><div>三</div><div>四</div><div>五</div><div>六</div></div>';
str+='<div id="con" class="clearfix"></div>';
str+='<div id="btns"><div id="nowtime">当前时间</div><div id="cleartime">清空</div></div>';
ddbox.innerHTML=str;
obody.appendChild(ddbox);
};
//===================get ele===============================
var omonth=document.getElementById("month");
var oyear=document.getElementById("year");
var con=document.getElementById("con");
var prevmonth=document.getElementById("prevmonth");
var nextmonth=document.getElementById("nextmonth");
var prevyear=document.getElementById("prevyear");
var nextyear=document.getElementById("nextyear");
var nowtime=document.getElementById("nowtime");
var date=document.getElementById("date");
var box=document.getElementById("box");
var cleartime=document.getElementById("cleartime");
//===================show date===============================
date.onfocus=function(){//显示控件
var datel=this.getBoundingClientRect().left;
var datet=this.getBoundingClientRect().top+40;
box.style.left=datel+"px";
box.style.top=datet+"px";
box.style.display="block";
};
con.onclick=function(event){
if(event.target.tagName=="DIV" && event.target.nodeType=="1" && hasclass(event.target.className,"edate")){
date.value="";
date.value=dateObj.getFullYear()+"-"+toyear(dateObj)+"-"+event.target.innerHTML;
box.style.display="none";
};
};
cleartime.onclick=function(event){
date.value="";
};
//===================set year month===============================
//默认时间对象
var dateObj = new Date();
//动态控制
prevmonth.onclick=function(){//上一月
var ddm=null;
var ddy=null;
if((dateObj.getMonth()-1)==-1){
ddm=11;
ddy=dateObj.getFullYear()-1;
}else{
ddm=dateObj.getMonth()-1;
ddy=dateObj.getFullYear();
};
dateObj.setFullYear(ddy);
dateObj.setMonth(ddm);
omonth.innerHTML=toyear(dateObj)+"月";
oyear.innerHTML=dateObj.getFullYear()+"年";
remove();
oneweek=oneyearoneday(dateObj);
alld=alldays(dateObj);
nowd=nowday(dateObj);
init(oneweek,alld,nowd);
};
nextmonth.onclick=function(){//下一月
var ddm=null;
var ddy=null;
if((dateObj.getMonth()+1)==12){
ddm=0;
ddy=dateObj.getFullYear()+1;
}else{
ddm=dateObj.getMonth()+1;
ddy=dateObj.getFullYear();
};
dateObj.setFullYear(ddy);
dateObj.setMonth(ddm);
omonth.innerHTML=toyear(dateObj)+"月";
oyear.innerHTML=dateObj.getFullYear()+"年";
remove();
oneweek=oneyearoneday(dateObj);
alld=alldays(dateObj);
nowd=nowday(dateObj);
init(oneweek,alld,nowd);
};
prevyear.onclick=function(){//上一年
var ddy=dateObj.getFullYear()-1;
dateObj.setFullYear(ddy);
oyear.innerHTML=dateObj.getFullYear()+"年";
remove();
oneweek=oneyearoneday(dateObj);
alld=alldays(dateObj);
nowd=nowday(dateObj);
init(oneweek,alld,nowd);
};
nextyear.onclick=function(){//下一年
var ddy=dateObj.getFullYear()+1;
dateObj.setFullYear(ddy);
oyear.innerHTML=dateObj.getFullYear()+"年";
remove();
oneweek=oneyearoneday(dateObj);
alld=alldays(dateObj);
nowd=nowday(dateObj);
init(oneweek,alld,nowd);
};
//返回到今时今日
nowtime.onclick=function(){
var dddate=new Date();
var ddm=dddate.getMonth();
var ddy=dddate.getFullYear();
dateObj.setFullYear(ddy);
dateObj.setMonth(ddm);
omonth.innerHTML=toyear(dateObj)+"月";
oyear.innerHTML=dateObj.getFullYear()+"年";
remove();
oneweek=oneyearoneday(dateObj);
alld=alldays(dateObj);
nowd=nowday(dateObj);
init(oneweek,alld,nowd);
};
//年月获取
var year=dateObj.getFullYear();
var month=toyear(dateObj);//0是12月
//月年的显示
omonth.innerHTML=month+"月";
oyear.innerHTML=year+"年";
//===================set day===============================
//获取本月1号的周值
var oneweek=oneyearoneday(dateObj);
//本月总日数
var alld=alldays(dateObj);
//当前是几
var nowd=nowday(dateObj);
//初始化显示本月信息
init(oneweek,alld,nowd);
//===================function===============================
//有无指定类名的判断
function hasclass(str,cla){
var i=str.search(cla);
if(i==-1){
return false;
}else{
return true;
};
};
//初始化日期显示方法
function remove(){
con.innerHTML="";
};
function init(oneweek,alld,nowd){
for(var i=1;i<=oneweek;i++){//留空
var eday=document.createElement("div");
eday.innerHTML="";
con.appendChild(eday);
};
for(var i=1;i<=alld;i++){//正常区域
var eday=document.createElement("div");
if(i==nowd){
eday.innerHTML=i;
eday.className="now edate";
con.appendChild(eday);
}else{
eday.innerHTML=i;
eday.className="edate";
con.appendChild(eday);
};
};
};
//获取本月1号的周值
function oneyearoneday(dateObj){
var oneyear = new Date();
var year=dateObj.getFullYear();
var month=dateObj.getMonth();//0是12月
oneyear.setFullYear(year);
oneyear.setMonth(month);//0是12月
oneyear.setDate(1);
return oneyear.getDay();
};
//当前是几
function nowday(dateObj){
return dateObj.getDate();
};
//获取本月总日数方法
function alldays(dateObj){
var year=dateObj.getFullYear();
var month=dateObj.getMonth();
if(isLeapYear(year)){//闰年
switch(month) {
case 0: return "31"; break;
case 1: return "29"; break; //2月
case 2: return "31"; break;
case 3: return "30"; break;
case 4: return "31"; break;
case 5: return "30"; break;
case 6: return "31"; break;
case 7: return "31"; break;
case 8: return "30"; break;
case 9: return "31"; break;
case 10: return "30"; break;
case 11: return "31"; break;
default:
};
}else{//平年
switch(month) {
case 0: return "31"; break;
case 1: return "28"; break; //2月
case 2: return "31"; break;
case 3: return "30"; break;
case 4: return "31"; break;
case 5: return "30"; break;
case 6: return "31"; break;
case 7: return "31"; break;
case 8: return "30"; break;
case 9: return "31"; break;
case 10: return "30"; break;
case 11: return "31"; break;
default:
};
};
};
//闰年判断函数
function isLeapYear(year){
if( (year % 4 == 0) && (year % 100 != 0 || year % 400 == 0)){
return true;
}else{
return false;
};
};
//月份转化方法
function toyear(dateObj){
var month=dateObj.getMonth()
switch(month) {
case 0: return "1"; break;
case 1: return "2"; break;
case 2: return "3"; break;
case 3: return "4"; break;
case 4: return "5"; break;
case 5: return "6"; break;
case 6: return "7"; break;
case 7: return "8"; break;
case 8: return "9"; break;
case 9: return "10"; break;
case 10: return "11"; break;
case 11: return "12"; break;
default:
};
};
};
</script>
</html>
I hope this article will be helpful to everyone in learning javascript programming.
JavaScript Engines: Comparing ImplementationsApr 13, 2025 am 12:05 AMDifferent JavaScript engines have different effects when parsing and executing JavaScript code, because the implementation principles and optimization strategies of each engine differ. 1. Lexical analysis: convert source code into lexical unit. 2. Grammar analysis: Generate an abstract syntax tree. 3. Optimization and compilation: Generate machine code through the JIT compiler. 4. Execute: Run the machine code. V8 engine optimizes through instant compilation and hidden class, SpiderMonkey uses a type inference system, resulting in different performance performance on the same code.
Beyond the Browser: JavaScript in the Real WorldApr 12, 2025 am 12:06 AMJavaScript's applications in the real world include server-side programming, mobile application development and Internet of Things control: 1. Server-side programming is realized through Node.js, suitable for high concurrent request processing. 2. Mobile application development is carried out through ReactNative and supports cross-platform deployment. 3. Used for IoT device control through Johnny-Five library, suitable for hardware interaction.
Building a Multi-Tenant SaaS Application with Next.js (Backend Integration)Apr 11, 2025 am 08:23 AMI built a functional multi-tenant SaaS application (an EdTech app) with your everyday tech tool and you can do the same. First, what’s a multi-tenant SaaS application? Multi-tenant SaaS applications let you serve multiple customers from a sing
How to Build a Multi-Tenant SaaS Application with Next.js (Frontend Integration)Apr 11, 2025 am 08:22 AMThis article demonstrates frontend integration with a backend secured by Permit, building a functional EdTech SaaS application using Next.js. The frontend fetches user permissions to control UI visibility and ensures API requests adhere to role-base
JavaScript: Exploring the Versatility of a Web LanguageApr 11, 2025 am 12:01 AMJavaScript is the core language of modern web development and is widely used for its diversity and flexibility. 1) Front-end development: build dynamic web pages and single-page applications through DOM operations and modern frameworks (such as React, Vue.js, Angular). 2) Server-side development: Node.js uses a non-blocking I/O model to handle high concurrency and real-time applications. 3) Mobile and desktop application development: cross-platform development is realized through ReactNative and Electron to improve development efficiency.
The Evolution of JavaScript: Current Trends and Future ProspectsApr 10, 2025 am 09:33 AMThe latest trends in JavaScript include the rise of TypeScript, the popularity of modern frameworks and libraries, and the application of WebAssembly. Future prospects cover more powerful type systems, the development of server-side JavaScript, the expansion of artificial intelligence and machine learning, and the potential of IoT and edge computing.
Demystifying JavaScript: What It Does and Why It MattersApr 09, 2025 am 12:07 AMJavaScript is the cornerstone of modern web development, and its main functions include event-driven programming, dynamic content generation and asynchronous programming. 1) Event-driven programming allows web pages to change dynamically according to user operations. 2) Dynamic content generation allows page content to be adjusted according to conditions. 3) Asynchronous programming ensures that the user interface is not blocked. JavaScript is widely used in web interaction, single-page application and server-side development, greatly improving the flexibility of user experience and cross-platform development.
Is Python or JavaScript better?Apr 06, 2025 am 12:14 AMPython is more suitable for data science and machine learning, while JavaScript is more suitable for front-end and full-stack development. 1. Python is known for its concise syntax and rich library ecosystem, and is suitable for data analysis and web development. 2. JavaScript is the core of front-end development. Node.js supports server-side programming and is suitable for full-stack development.
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
Zend Studio 13.0.1
Powerful PHP integrated development environment
SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.
Dreamweaver CS6
Visual web development tools
MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.
