Passing date values as arguments in JavaScript functionsBelow is the method of sending

I stumbled upon this function that calculates the difference between two dates in business days by excluding weekends (source: ): 

function calculateBusinessDays(startDate, endDate) 
{
    if (endDate < startDate)        
        return 0;   

    var millisecondsPerDay = 86400 * 1000; 

    startDate.setHours(0,0,0,1);  
    endDate.setHours(23,59,59,999);  

    var diff = endDate - startDate;  
    var days = Math.ceil(diff / millisecondsPerDay);        
    var weeks = Math.floor(days / 7);    
    var remainingDays = days - (weeks * 2);    
    var startDay = startDate.getDay();    
    var endDay = endDate.getDay();        

    if (startDay - endDay > 1)                 
    remainingDays = remainingDays - 2;              

    if (startDay == 0 && endDay != 6)       
    remainingDays = remainingDays - 1;                  

    if (endDay == 6 && startDay != 0)        
    remainingDays = remainingDays - 1;          

    return remainingDays;
}

Could someone please guide me on how to pass two dates when calling this function? The dates will be variables in the YYYY-MM-DD format.

Thank you for any assistance, Tim

javascriptdatedatetime

Answer №1

express

const startDate = "2021-09-15";
const endDate   = "2021-10-15";

here is an example of how to use the function

calculateWorkingDays(new Date(startDate), new Date(endDate));

Answer №2

const start = new Date("2015-12-18") ;
const end   = new Date("2016-01-18") ;

showDates(start,end){
    // Your custom code here
}

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