[Easy] 1360. Number of Days Between Two Dates

F-O-1-1

 

https://leetcode.com/problems/number-of-days-between-two-dates/

Number of Days Between Two Dates - LeetCode

 

sol1 55

function daysBetweenDates(date1: string, date2: string): number {
    let msA = Date.parse(date1);
    let msB = Date.parse(date2);

    let DAY: number = 1000 * 60 * 60 * 24;
    let diff = Math.abs(Math.round((msA - msB) / DAY));

    return diff;

};

 

sol2 70

function daysBetweenDates(date1: string, date2: string): number {
    if (typeof date1 == 'undefined' || typeof date2 == 'undefined')
        return 0;
    if (date1.length <= 0 || date2.length <= 0)
        return 0;
    const d1 = new Date(date1).getTime();
    const d2 = new Date(date2).getTime();
    let diff: number = 0;
    if (d1 > d2) {
        diff = d1 - d2;
    } else {
        diff = d2 - d1;
    }
    console.log("Total number of days between dates  <br>"
               + d1 + "<br> and <br>" 
               + d2 + " is: <br> " 
               + diff); 
    return diff / (1000 * 3600 * 24);
};​

 

 

sol3 80

function daysBetweenDates(date1: string, date2: string): number {
    let dateInArray1: string = date1.split('-').join(' ');
    let dateInArray2: string = date2.split('-').join(' ');
    let utcTimeDayTakes: number = (1000 * 60 * 60 * 24);       
    return Math.abs(Date.parse(dateInArray1) - Date.parse(dateInArray2)) /  utcTimeDayTakes;
};

 

 

 

 

 

mine 112

function daysBetweenDates(date1: string, date2: string): number {
    let date11: Date = new Date(date1);
    let date22: Date = new Date(date2);
    
    let abs: number = Math.abs(date22.getTime() - date11.getTime());
    let differ = Math.ceil(abs/(1000 * 3600 * 24));
    
    return differ;
};