Illustrative demonstration of AngularJS

Question

Illustrative demonstration of AngularJS

One way to showcase data using AngularJS is by triggering a function with a button click. Here's an example:

<!DOCTYPE html>
<html ng-app>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.6/angular.min.js"></script>

<script>
function Display($scope){
    $scope.show_date = function(){
        $scope.show=new Date();
    }       
}   
 </script>
</head>
<body  ng-controller="Display">
<button ng-click="show_date()">Show date!</button>
<div ng-message="required"> {{show}} </div>
</body>
</html>

What mistakes can you find in this code snippet?

javascript angularjs

Answer 1

Answer №1

If you are using an angular version above 1.3, please note that global controller function declarations are no longer supported starting from this version.

To resolve this issue, update your controller as shown below:

var myApp = angular.module("myModule", []);
 myApp.controller("Display", function ($scope) 
 {
    $scope.show_date = function(){
    $scope.show=new Date();
  }     
 );

Check out the DEMO here!

Answer 2

If you are using an angular version above 1.3, please note that global controller function declarations are no longer supported starting from this version.

To resolve this issue, update your controller as shown below:

var myApp = angular.module("myModule", []);
 myApp.controller("Display", function ($scope) 
 {
    $scope.show_date = function(){
    $scope.show=new Date();
  }     
 );

Check out the DEMO here!

Answer 3

Answer №2

Just a couple of things to do:

Start by defining an instance of your app module like this:

angular.module('app', [])

Next, register your controller with this app module:

.controller('DisplayCtrl', DisplayCtrl);

Don't forget to click on Run code snippet to see your code in action.

function DisplayCtrl($scope){
    $scope.show_date = function(){
        $scope.show=new Date();
    }       
}   

angular.module('app', [])
    .controller('DisplayCtrl', DisplayCtrl);

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>

<div ng-app="app" ng-controller="DisplayCtrl">
  <button ng-click="show_date()">Show date!</button>
  <div ng-message="required"> {{show}} </div>
</div>

Answer 4

Just a couple of things to do:

Start by defining an instance of your app module like this:

angular.module('app', [])

Next, register your controller with this app module:

.controller('DisplayCtrl', DisplayCtrl);

Don't forget to click on Run code snippet to see your code in action.

function DisplayCtrl($scope){
    $scope.show_date = function(){
        $scope.show=new Date();
    }       
}   

angular.module('app', [])
    .controller('DisplayCtrl', DisplayCtrl);

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>

<div ng-app="app" ng-controller="DisplayCtrl">
  <button ng-click="show_date()">Show date!</button>
  <div ng-message="required"> {{show}} </div>
</div>

Illustrative demonstration of AngularJS

Answer №1

Answer №2

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