DateOfBirthValidation in JS

DateOfBirthValidation.js

$(function() {
		$(".datepicker").datepicker();
		$("#dateOfBirth").change(function() {
			var dob = $(this).datepicker("getDate");
			var today = new Date();
			var age = today.getFullYear() - dob.getFullYear();
			$("#age").val(age);
                        //Check Minimum Age
			if (age < 18) {
				//alert("Age should be more than 18 years");
				$("#age").val('');
				$("#dateOfBirth").val('');
				$("#errors").text('Age should be more than 18 years Provide Valid DateOfBirth');
				return false;
			}
                       //Check Maximum Age
			if (age > 100) {
				$("#age").val('');
				$("#dateOfBirth").val();
				$("#errors").text('Age should not more than 100 years Provide Valid DateOfBirth');
				return false;
			}

		});
	});