Showing information at succeeding intervals with AngularJS

Check out the jsFiddle link provided for AngularJS data display: AngularJS : Display Data

Here is a sample of the HTML file:

<div ng-controller="myCtrl">         
    <div ng-repeat="test in tests">
           <p>{{test.testName}}</p>
    </div>
</div>

The controller in the .js file looks like this:

var app = angular.module('myApp', []);

function myCtrl($scope) {
    $scope.tests = [{
        "testName" : "Test-1 : Windows Test"
        }, 
        {
        "testName" : "Test-2 : Linux Test"
        },          
        {
        "testName" : "Test-3 : Unix Test"
        }, 
    ];
}

Here's the question:

The current output format is as follows:

Test-1 : Windows Test
Test-2 : Linux Test
Test-3 : Unix Test

The goal is to have Test-1 : Windows Test displayed initially, followed by Test-2 : Linux Test after 30 seconds, and so on. Once all data is displayed, Test-1 : Windows Test should be repeated. How can this be implemented using AngularJS?

Answer №1

If you want to achieve this functionality, you can utilize the set time interval method (referenced as $interval in Angular.js). It might be a bit hard to explain verbally, but I can share my code with you through Fiddler, allowing you to see the implementation in action.

Consider trying the following approach instead of your current code.

<div ng-app="myApp">
<div ng-controller="myCtrl">
   <p>{{testName}}</p>
</div>
</div>

Modifications in Javascript

The following code snippet updates the content every 30 seconds (approximately), but you can customize the timing based on your requirements.

    angular.module('myApp',[])
   .controller("myCtrl",["$scope","$interval",function($scope, $interval){
        $scope.tests = [{
            "testName" : "Test-1 : Windows Test"
            }, 
            {
            "testName" : "Test-2 : Linux Test"
            },          
            {
            "testName" : "Test-3 : Unix Test"
            } 
        ];
         var count=0;                    
         $interval(function(){                         
                $scope.testName=$scope.tests[count].testName;
                 count=count+1;
                if($scope.tests.length==count){
                  count=0;
                }                               
         },30000);   // Approximately 30 seconds      
    }]);

See a live demonstration on JSFiddle

I have provided the updated code for your convenience.

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