JS method to implement date addition and subtraction

Effect: molding date - age = required test date!

event:

The event is triggered when the molded date text box is changed!

The event is triggered when the age text box is changed!

Code:

(Explanation: Molding date ID: tbcxrq Age ID: tblq Required test date ID: tbyqsyrq)

Copy the code code as follows:

<script type="text/javascript">

$(function() {

$("#<%=tbcxrq.ClientID %>").change(function() { CaclDate(); });

$("#<%=tblq.ClientID %>").change(function() { CaclDate(); });

//Calculate test time based on age

function CaclDate() {

if ($("#<%=tblq.ClientID %>").val() == "" || $("#<%=tbcxrq.ClientID %>").val() == "") {

$("#<%=tbyqsyrq.ClientID %>").val("");

}

else {

var MoldingDate = $("#<%=tbcxrq.ClientID %>").val();

MoldingDate = MoldingDate.replace("-", "/")

var d = new Date(MoldingDate);

var AgeDate = $("#<%=tblq.ClientID %>").val();

d.setDate(d.getDate() + parseInt(AgeDate));

var month = d.getMonth() + 1;

if (parseInt(month) < 10)

month = "0" + month;

var day = d.getDate();

if (parseInt(day) < 10)

day = "0" + day;

var date = (d.getFullYear()) + "-" + month + "-" + day;

$("#<%=tbyqsyrq.ClientID %>").val(date);

}

}

});

</script>