jquery基于dob计算年龄

我有一个textfield用户输入日期格式为mm/dd/yyyy格式。我想根据他们输入的dob为用户自动填充age字段。jquery基于dob计算年龄

当用户跳出dob字段时，应填充该年龄段textfield。

这是什么jQuery的方式呢？

2011-05-08 Omnipresent

请参阅Calculate age in JavaScript函数来计算适当处理闰年的年龄。

然后，您可以使用该功能来计算用户的年龄，像这样：

var age = getAge(new Date($("#date").value()));

..然后年龄字段设置为数字：

$("#date").bind("blur", function() { $("#age").value(age) });

来源

2011-05-08 01:29:13 rfw

什么闰年？ – icktoofay 2011-05-08 01:30:29

固定（有点懒惰;） – rfw 2011-05-08 01:36:14

在您的文本框的模糊，您必须计算它们输入的内容和now()之间的日期差异。

$('#birthdate').blur(function() { 
    $("#ageTextBox").val(getAge(parseDate($('#birthdate').val()))); 
}); 

function getAge(birthDate) { 
    var now = new Date(); 

    function isLeap(year) { 
     return year % 4 == 0 && (year % 100 != 0 || year % 400 == 0); 
    } 

    // days since the birthdate  
    var days = Math.floor((now.getTime() - birthDate.getTime())/1000/60/60/24); 
    var age = 0; 
    // iterate the years 
    for (var y = birthDate.getFullYear(); y <= now.getFullYear(); y++) { 
     var daysInYear = isLeap(y) ? 366 : 365; 
     if (days >= daysInYear) { 
      days -= daysInYear; 
      age++; 
      // increment the age only if there are available enough days for the year. 
     } 
    } 
    return age; 
}

来源

2011-05-08 01:34:43 Avitus

你应该提到该代码的来源:) – Omnipresent 2011-05-08 02:01:26

尝试jquery.dates plugin

var d = $("#mytextboxID").dateDiff("unit", date);

来源

2011-05-08 01:38:53 robert

这个插件看起来已经死了。该网站目前处于离线状态。 – 2017-01-03 01:33:14

我想出了这个简单的解决方案。这是一个jQuery change函数，它将值发送到输入年龄字段。

$(document).ready(function() { 

    $('#dob input').change(function() { 

     var today = new Date(); 
     var dd = Number(today.getDate()); 
     var mm = Number(today.getMonth() + 1); 

     var yyyy = Number(today.getFullYear()); 

     var myBD = $('#dob input').val(); 
     var myBDM = Number(myBD.split("/")[0]) 
     var myBDD = Number(myBD.split("/")[1]) 
     var myBDY = Number(myBD.split("/")[2]) 
     var age = yyyy - myBDY; 

     if (mm < myBDM) { 
      age = age - 1; 
     } else if (mm == myBDM && dd < myBDD) { 
      age = age - 1; 
     } 

     $('#age input').val(age); 
    }); 

});

来源

2013-01-31 17:32:19

这里我们通过考虑开始和结束日期来测试它。您也可以用它来计算月份和日期的年龄。

var end = new Date(2015, 09, 02, 00, 0, 0, 0), 
    begin = new Date(2015, 09, 1, 00, 0, 0, 0), 
    e = new Date(end), 
    b = new Date(begin), 
    bMonth = b.getMonth(), 
    bYear = b.getFullYear(), 
    eYear = e.getFullYear(), 
    eMonth = e.getMonth(), 
    bDay = b.getDate(), 
    eDay = e.getDate() + 1; 

if ((eMonth == 0) || (eMonth == 2) || (eMonth == 4) || (eMonth == 6) || 
    (eMonth == 7) || (eMonth == 9) || (eMonth == 11)) { 
    var eDays = 31; 
} 

if ((eMonth == 3) || (eMonth == 5) || (eMonth == 8) || (eMonth == 10)) { 
    var eDays = 30; 
} 

if (eMonth == 1 && ((eYear % 4 == 0) && (eYear % 100 != 0)) || 
    (eYear % 400 == 0)) { 
    var eDays = 29; 
} 

if (eMonth == 1 && ((eYear % 4 != 0) || (eYear % 100 == 0))) { 
    var eDays = 28; 
} 

if ((bMonth == 0) || (bMonth == 2) || (bMonth == 4) || (bMonth == 6) || 
    (bMonth == 7) || (bMonth == 9) || (bMonth == 11)) { 
    var bDays = 31; 
} 

if ((bMonth == 3) || (bMonth == 5) || (bMonth == 8) || (bMonth == 10)) { 
    var bDays = 30; 
} 

if (bMonth == 1 && ((bYear % 4 == 0) && 
     (bYear % 100 != 0)) || (bYear % 400 == 0)) { 
    var bDays = 29; 
} 

if (bMonth == 1 && ((bYear % 4 != 0) || (bYear % 100 == 0))) { 
    var bDays = 28; 
} 

var FirstMonthDiff = bDays - bDay + 1; 

if (eDay - bDay < 0) { 
    eMonth = eMonth - 1; 
    eDay = eDay + eDays; 
} 

var daysDiff = eDay - bDay; 

if (eMonth - bMonth < 0) { 
    eYear = eYear - 1; 
    eMonth = eMonth + 12; 
} 

var monthDiff = eMonth - bMonth, 
    yearDiff = eYear - bYear; 

if (daysDiff == eDays) { 
    daysDiff = 0; 
    monthDiff = monthDiff + 1; 

    if (monthDiff == 12) { 
     monthDiff = 0; 
     yearDiff = yearDiff + 1; 
    } 
} 

if ((FirstMonthDiff != bDays) && (eDay - 1 == eDays)) { 
    daysDiff = FirstMonthDiff; 
} 
console.log(yearDiff + " Year(s)" + " " + 
    monthDiff + " month(s) " + daysDiff + " days(s)");

来源

2015-09-02 06:35:11

function (row) 
{ 
    var age = 0; 
    var birthday = row["FechaNacimiento"]; 

    age = new Date().getFullYear() - birthday.getFullYear(); 

    if (new Date() < birthday.setFullYear(birthday.getFullYear() + age)) 
    { 
     age--; 
    } 

    return age; 
}

晚，但这个工程......

来源

2016-12-28 13:17:42

jquery基于dob计算年龄

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