Issue with AngularJS scrolling directive not functioning properly

Currently, I am working on an Angular (1.3.14) directive that is meant to handle scrolling events on elements. Here's a snippet of the code:

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

app.directive("scroll", function ($window) {
    return {
      restrict: 'A',
      link: function(scope, element, attrs) {
          console.log(element.className); // this returns 'undefined'
          element.on('scroll', function(e) {
            console.log('scroll'); // unfortunately, this doesn't work
          });
          element.on('click', function(e) {
            console.log('click'); // works fine
          });
      }
    }
});

The issue I'm facing is that the scroll event does not seem to fire. While all other events like click are functioning properly, scrolling remains unresponsive. Even when trying to retrieve the element's class, it returns as 'undefined' despite having a class assigned to it. The HTML structure where this directive is applied looks something like this:

<body ng-app="myApp" ng-controller="myCtrl" ng-keydown="keyListener($event)">
    <section class="dark content second" scroll="">         
    </section>
</body>

I am unsure about what could be causing these issues.

Answer №1

Your suggestion was spot-on! I conducted a test by adding an internal div within your section, complete with some classes to enable scrolling:

<section class="dark content second" scroll="">
  Hi         
  <div class="internal">
    Something
  </div>
</section>

Here is the CSS code:

.second{
      background-color: red;
      max-height: 150px;
     overflow-y:scroll;
}

.internal{
      height: 200px;
}

The event functions flawlessly! You simply need to ensure that your <section> is set as scrollable or apply the directive directly to the body/html tag. For reference, here is the Plunker example where I tested this: http://plnkr.co/edit/hp2BbnLeGjtwIbfi2mqZ?p=preview

Answer №2

Give this a shot

     console.log(attrs.class);
     element.bind('scroll', function() {
        console.log('scroll');
     });

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