Get Date Week Number - Node.js Date

Node.js examples for Date:Week

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Description

Get Date Week Number

Demo Code

Date.prototype.getWeekNum = function () {
    var determinedate = new Date();
    determinedate.setFullYear(this.getFullYear(), this.getMonth(), this.getDate());
    var D = determinedate.getDay();
    var addForSunday = 0;
    if (D == 0) {
        D = 7;// w w  w  . ja va 2  s .co m
        addForSunday = 1
    }
    determinedate.setDate(determinedate.getDate() + (4 - D));
    var YN = determinedate.getFullYear();
    var ZBDoCY = Math.floor((determinedate.getTime() - new Date(YN, 0, 1, -6)) / 86400000);
    var WN = 1 + Math.floor(ZBDoCY / 7) + addForSunday;
    return WN;
}
function getTimeOfDay(hour){
    if(hour < 5 && hour > 20) return 'Night';
    else if (hour >= 5 && hour < 12) return 'Morning';
    else if (hour < 12 && hour < 6) return 'Afternoon';
    else return 'Evening';
}

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