Date difference by interval - Node.js Date

Node.js examples for Date:Date Calculation

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Description

Date difference by interval

Demo Code

Date.prototype.DateDiff = function(strInterval, dtEnd) {   
    var dtStart = this;  
    switch (strInterval) {   
        case 's' :return parseInt((dtEnd - dtStart) / 1000);  
        case 'n' :return parseInt((dtEnd - dtStart) / 60000);  
        case 'h' :return parseInt((dtEnd - dtStart) / 3600000);  
        case 'd' :return parseInt((dtEnd - dtStart) / 86400000);  
        case 'w' :return parseInt((dtEnd - dtStart) / (86400000 * 7));  
        case 'm' :return (dtEnd.getMonth()+1)+((dtEnd.getFullYear()-dtStart.getFullYear())*12) - (dtStart.getMonth()+1);  
        case 'y' :return dtEnd.getFullYear() - dtStart.getFullYear();  
    }  //from w  w  w . jav  a2 s .c o m
}

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