两个日期字符串相差的月份

[小沈阳]

两个日期类型的字符串 '2011-08-10' '2022-08-12'怎么在js 中求出他俩相差的月份（别用相差的天数除30 要精确的相差月份）

[sk_up_dyy]

var a = new Date('2022-08-12');

var b = new Date('2011-08-10');

var c=(a.getFullYear()-b.getFullYear())*12+(a.getMonth()-b.getMonth());
alert(c);

[hookee]

alert(monDiff('2011-08-10','2022-08-12'))

function monDiff(date1, date2){
    var dt1 = new Date(date1.replace(/-/g, '/'));
    var dt2 = new Date(date2.replace(/-/g, '/'));
    if(dt2<dt1){var t = dt2; dt2 = dt1; dt1 = t;};
    var y = dt2.getFullYear();
    var dy = y - dt1.getFullYear();
    var m2 = dt2.getMonth();
    var m1 = dt1.getMonth();
    var dm = m2>=m1?m2-m1:(m1-m2-12);
    var d2 = dt2.getDate();
    var d1 = dt1.getDate();
    return dy * 12 + dm + (d2>=d1?0:-1);
}

[bigbluefox]

不错，很正点，谢谢分享