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How to determine holidays in js

Jun 15, 2018 am 11:09 AM

Because I want to make a calendar control and encounter national statutory holidays, how to implement this function? In fact, the implementation code is very simple. Below I will share with you the js holiday judgment example code. Friends who need it can refer to it

Effect display:

&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
  &lt;meta http-equiv=&quot;Content-Type&quot; content=&quot;text/html; charset=utf-8&quot; /&gt;
  &lt;title&gt;&lt;/title&gt;
  &lt;script src=&quot;jquery.min.js&quot; type=&quot;text/javascript&quot;&gt;&lt;/script&gt;
  &lt;script src=&quot;date.js&quot; type=&quot;text/javascript&quot;&gt;&lt;/script&gt;
&lt;/head&gt;
&lt;script&gt;
	/*************************************************************
*  判断某天是不是工作日
*  
*  @ date     {Date}       要判断的日期(0000-00-00)  
**************************************************************/
//2017年节假日
var jrdate_2017 = [&quot;2017-01-01&quot;,&quot;2017-01-02&quot;,&quot;2017-01-27&quot;,&quot;2017-01-27&quot;,&quot;2017-01-27&quot;,&quot;2017-01-28&quot;,&quot;2017-01-29&quot;,&quot;2017-01-30&quot;,&quot;2017-01-31&quot;,&quot;2017-02-01&quot;,&quot;2017-02-02&quot;,&quot;2017-04-02&quot;,&quot;2017-04-03&quot;,&quot;2017-04-04&quot;,&quot;2017-04-29&quot;,&quot;2017-04-30&quot;,&quot;2017-05-01&quot;,&quot;2017-05-28&quot;,&quot;2017-05-29&quot;,&quot;2017-05-30&quot;,&quot;2017-10-01&quot;,&quot;2017-10-02&quot;,&quot;2017-10-03&quot;,&quot;2017-10-04&quot;,&quot;2017-10-05&quot;,&quot;2017-10-06&quot;,&quot;2017-10-07&quot;,&quot;2017-10-08&quot;];
//2017年调休日
var txr_2017 = [&quot;2017-01-22&quot;,&quot;2017-02-04&quot;,&quot;2017-04-01&quot;,&quot;2017-05-27&quot;,&quot;2017-09-30&quot;];
//2018年节假日
var jrdate_2018 = [&quot;2018-01-01&quot;,&quot;2018-02-15&quot;,&quot;2018-02-16&quot;,&quot;2018-02-17&quot;,&quot;2018-02-18&quot;,&quot;2018-02-19&quot;,&quot;2018-02-20&quot;,&quot;2018-02-21&quot;,&quot;2018-04-05&quot;,&quot;2018-04-06&quot;,&quot;2018-04-07&quot;,&quot;2018-04-29&quot;,&quot;2018-04-30&quot;,&quot;2018-05-01&quot;,&quot;2018-06-16&quot;,&quot;2018-06-17&quot;,&quot;2018-06-18&quot;,&quot;2018-09-22&quot;,&quot;2018-09-23&quot;,&quot;2018-09-24&quot;,&quot;2018-10-01&quot;,&quot;2018-10-02&quot;,&quot;2018-10-03&quot;,&quot;2018-10-04&quot;,&quot;2018-10-05&quot;,&quot;2018-10-06&quot;,&quot;2018-10-07&quot;];
//2018年调休日
var txr_2018 = [&quot;2018-02-11&quot;,&quot;2018-02-24&quot;,&quot;2018-04-08&quot;,&quot;2018-04-28&quot;,&quot;2018-09-29&quot;,&quot;2018-09-30&quot;];
var num = 0;
function isWorkday(date_String) {
	//debugger;
  var date = !date_String ? new Date() : new Date(date_String);
  var is_jr_2017 = $.inArray(date_String, jrdate_2017);
  var is_jr_2018 = $.inArray(date_String, jrdate_2018);
  var is_tx_2017 = $.inArray(date_String, txr_2017);
  var is_tx_2018 = $.inArray(date_String, txr_2018);
  if(is_jr_2017!=-1 || is_jr_2018!=-1){
  	return; //&quot;节假日&quot;;
  }
  var getday = date.getDay();
  if (getday == 0 || getday == 6) {
  	if(is_tx_2017!=-1 || is_tx_2018!=-1){
  		num++;
  		return;// &#39;调休日&#39;;
  	}
    return;// &#39;休息日&#39;;
  }
  else {
  	if(is_tx_2017!=-1 || is_tx_2018!=-1){
  		num++;
  		return;// &#39;调休日&#39;;
  	}
  	num++;
    return;// &#39;工作日&#39;;
  }
   //num;
}
//var d_arr = []; //时间段内所有日期
function getDayInfo(startDate,endDate){
	var bd = new Date(startDate),be = new Date(endDate); 
  var bd_time = bd.getTime(), be_time = be.getTime(),time_diff = be_time - bd_time; 
  d_arr = [];
  num = 0;
  for(var i=0; i&lt;= time_diff; i+=86400000){ 
      var ds = new Date(bd_time+i).Format(&quot;yyyy-MM-dd&quot;); 
      isWorkday(ds);
      //d_arr.push(ds) 
  } 
  console.log(num); 
  console.log(d_arr); 
  $(&quot;#show&quot;).html(&quot;呀！这段时间我们一共上&quot;+num+&quot;天班呢。&quot;);
}
function getInfo(info){
	
	var startDate = $(&quot;#startDate&quot;).val();
	var endDate = $(&quot;#endDate&quot;).val();
	getDayInfo(startDate,endDate);
	//console.log(isWorkday(startDate));
}
// 调用
//alert(isWorkday(&#39;2016-12-10&#39;));
	
&lt;/script&gt;
&lt;body&gt;
	&lt;h3&gt;填写时间算算我们能上几天班？！&lt;/h3&gt;
  &lt;p id=&quot;p1&quot;&gt;
    开始时间：&lt;input id=&quot;startDate&quot; type=&quot;text&quot; value=&quot;2018-02-01&quot;&gt;&lt;/input&gt;
    截止日期：&lt;input id=&quot;endDate&quot; type=&quot;text&quot; value=&quot;2018-02-28&quot;&gt;&lt;/input&gt;
  	&lt;input type=&quot;button&quot; onclick = &#39;getInfo()&#39; value=&quot;点击获取工作日天数&quot;&gt;&lt;/input&gt;
  &lt;/p&gt;
  &lt;p&gt;
  	&lt;strong&gt;&lt;span id = &quot;show&quot;&gt;&lt;/span&gt;&lt;/strong&gt;
  &lt;/p&gt;
&lt;/body&gt;
&lt;/html&gt;

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ps: Let me share with you a piece of code to determine all holidays based on js. The specific code is as follows:

// JavaScript Document
calendar = new Date();
month = calendar.getMonth();
date = calendar.getDate();
if ((month == 0) &amp;&amp; (date == 1)) document.write(&quot;元旦&quot;);
if ((month == 1) &amp;&amp; (date ==13 )) document.write(&quot;除夕&quot;);
if ((month == 1) &amp;&amp; (date ==14 )) document.write(&quot;春节/情人节&quot;);
if ((month == 2) &amp;&amp; (date == 1)) document.write(&quot;国际海豹日&quot;);
if ((month == 2) &amp;&amp; (date == 8)) document.write(&quot;国际劳动妇女节/中国保护母亲河日&quot;);
if ((month == 2) &amp;&amp; (date == 12)) document.write(&quot;植树节&quot;);
if ((month == 3) &amp;&amp; (date == 1)) document.write(&quot;愚人节&quot;);
if ((month == 3) &amp;&amp; (date == 5)) document.write(&quot;清明节&quot;);
if ((month == 4) &amp;&amp; (date == 1)) document.write(&quot;国际劳动节&quot;);
if ((month == 4) &amp;&amp; (date == 9)) document.write(&quot;母亲节&quot;);
if ((month == 5) &amp;&amp; (date == 1)) document.write(&quot;国际儿童节&quot;);
if ((month == 5) &amp;&amp; (date == 26)) document.write(&quot;国际禁毒日&quot;);
if ((month == 7) &amp;&amp; (date == 1)) document.write(&quot;建军节&quot;);
if ((month == 7) &amp;&amp; (date == 15)) document.write(&quot;日本无条件投降日/世纪婚纱日&quot;);
if ((month == 7) &amp;&amp; (date == 16)) document.write(&quot;七夕情人节&quot;);
if ((month == 9) &amp;&amp; (date == 20)) document.write(&quot;世界厨师日&quot;);
if ((month == 9) &amp;&amp; (date == 22)) document.write(&quot;世界传统医药日&quot;);
if ((month == 9) &amp;&amp; (date == 24)) document.write(&quot;联合国日/世界发展信息日&quot;);
if ((month == 9) &amp;&amp; (date == 25)) document.write(&quot;世界骨质疏松日/抗美援朝纪念日/环卫工人节&quot;);
if ((month == 9) &amp;&amp; (date == 31)) document.write(&quot;世界勤俭日/中国男性健康日&quot;);
if ((month == 11) &amp;&amp; (date == 24)) document.write(&quot;平安夜&quot;); 
if ((month == 11) &amp;&amp; (date == 25)) document.write(&quot;圣诞节&quot;);

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The above is what I compiled for you. I hope it will be helpful to you in the future.

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