The custom directive fails to display the value of {{variable}}

Here is the Angular controller setup:

app.controller("timelineCtrl", function ($scope) {
    $scope.user="john";
         .
         .
         .
}

This directive is also in place:

app.directive('helloWorld', function() {
    return {
        restrict: 'AE',
        replace: true,
        template: '<div> Hello World {{user}} </div>'
    };
});

The corresponding view looks like this:

<div class="row" ng-controller="timelineCtrl">
     <hello-world></hello-world>
</div>

However, when checking the result HTML, we see:

Hello World {{user}}

We are left wondering why {{user}} is not being interpreted as the value of $scope.user.

Answer №1

Connect the controller to your directive declaration.

app.directive('helloWorld', function() {
    return {
        restrict: 'AE',
        replace: true,
        controller: 'timelineCtrl',
        template: '<div> Hello World {{user}} </div>'
    };
});

After reviewing your recent changes, it seems like that may not be the issue. Nonetheless, here is a jsBin demonstrating how it functions.


Just to clarify (for those who may come across this); it's not necessary to link the controller to your directive. You have the option to do so if you wish. There's no harm in doing it - even if the directive does not have its own child or isolated scope.

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