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@shansana
Last active September 3, 2021 15:25
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JavaScript function to get Working days between 2 days without weekends(Saturday,Sunday) and some custom holidays
var getWorkingDays = function(start,endCount,holidays){
var weekdays = [];
var current = start;
var i = 0;
while(i < endCount){
if (!isWeekEnd(current)) {
weekdays.push(current);
i++;
}
currentObj = new Date(current);
current = currentObj.addDays(1).format();
}
function isWeekEnd(date){
dateObj = new Date(date);
if (dateObj.getDay() == 6 || dateObj.getDay() == 0) {
return true;
}else{
if (holidays.contains(date)) {
return true;
}else{
return false;
}
}
}
return weekdays;
}
// check if weekend
isWeekEnd = function(date){
date.getDay();
return (dayOfWeek == 6 || dayOfWeek == 0);
}
// check if value exist in array
Array.prototype.contains = function(obj) {
var i = this.length;
while (i--) {
if (this[i] == obj) {
return true;
}
}
return false;
}
// get next day
Date.prototype.addDays = function(days) {
var dat = new Date(this.valueOf())
dat.setDate(dat.getDate() + days);
return dat;
}
//format date
Date.prototype.format = function() {
var mm = this.getMonth() + 1;
var dd = this.getDate();
if (mm < 10) {
mm = '0' + mm;
}
if (dd < 10) {
dd = '0' + dd;
}
return this.getFullYear()+'-'+mm+'-'+dd;
};
var start = '2016-10-01';
var daysAhead = 20;
var holidayList = ['2016-10-15','2016-10-20','2016-10-19','2016-10-18'];
var result = getWorkingDays(start,daysAhead,holidayList);
result.forEach(function(item,index){
document.getElementById('result').insertAdjacentHTML('beforeend','<span>'+item+'<br>');
})
console.log(result);
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