Display validation if date is greater than N-Days from Current (Today) Date on Button Click in AngularJS

mahesh213
 
on Mar 31, 2020 11:43 PM
1604 Views
Answered

Hi,

How to display validation if date is greater than 10 days in future

I have one datepicker and submit button

what ever entered date is greater than 10 days in future

if i have entered grater than 10 days in future disaply validation message 

Ex:Today date is 1-04-2020

but here i have entered 11-04-2020

then display validation message after clicking of submit button

Set Default Date in Bootstrap Datepicker in AngularJS

could you please help me

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dharmendr
 
on Apr 01, 2020 01:18 AM
Answer

Hi mahesh213,

Refer below code.

HTML

<!DOCTYPE html>
<html>
<head>
    <title></title>
    <meta charset="utf-8" />
    <link rel="stylesheet" href="https://netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css" />
    <link rel="stylesheet" href="https://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" />
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.3.0/css/datepicker.min.css" />
    <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script>
    <script type="text/javascript" src="https://netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datepicker/1.3.0/js/bootstrap-datepicker.min.js"></script>
    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.6.9/angular.min.js"></script>
    <script type="text/javascript">
        var app = angular.module('MyApp', []);
        app.directive('datepicker', function () {
            return {
                restrict: 'A',
                // Always use along with an ng-model
                require: '?ngModel',

                link: function (scope, element, attrs, ngModel) {
                    if (!ngModel) return;

                    ngModel.$render = function () {
                        element.datepicker('update', ngModel.$viewValue || '');
                    };

                    element.datepicker().on("changeDate", function (event) {
                        scope.$apply(function () {
                            ngModel.$setViewValue(event.date);
                        });
                    });
                }
            };
        });
        app.controller('MyController', function ($scope) {
            var firstDay = (new Date().getMonth() + 1) + "/01/" + new Date().getFullYear();
            $scope.eventdate = firstDay;
            $scope.Validate = function () {
                var currentDate = new Date();
                var eventDate = new Date($scope.eventdate);
                var diffTime = eventDate.getTime() - currentDate.getTime();
                var daysDiff = Math.ceil(diffTime / (1000 * 60 * 60 * 24));
                if (daysDiff >= 10) {
                    alert("Invalid Date.");
                }
            }
        });
    </script>
</head>
<body ng-app="MyApp" ng-controller="MyController">
    <input datepicker ng-model="eventdate" />
    <input type="button" value="submit" ng-click="Validate()" />
</body>
</html>

Demo

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