Revamping the Jquery Waypoint

Greetings, I am currently delving into the world of Jquery waypoints and facing a bit of challenge getting it to work. My goal is to have an "alert" pop up once an element becomes visible on the screen, but for some reason, the alert doesn't show up when I scroll down. Here's a glimpse of my code.

HTML

<section class="container">
    <div class="sixteen columns item"></div>
    <div class="sixteen columns item"></div>
    <div class="sixteen columns item"></div>
    <div class="sixteen columns item"></div>
    <div class="sixteen columns item"></div>
    <div class="sixteen columns item thing entry" id="example-basic"></div>
</section>

Interestingly, if I place this section above the others, the alert function seems to work just fine.

<div class="sixteen columns item thing entry" id="example-basic"></div>

Javascript

<script>
$('.entry').waypoint(function() {
   alert('The element appeared on the screen.');
});
</script>

Answer №1

To ensure proper functionality, encase the code within a document ready handler:

<script>
   $(function(){
      $('.entry').waypoint(function() {
         alert('The element has come into view.');
      });
   });
</script>

Answer №2

The default behavior of Waypoints is to trigger the function when the element reaches the top of the viewport, rather than when it appears on screen. However, you have the option to modify this by specifying the offset parameter:

$('.entry').waypoint(function() {
  alert('The element has appeared on the screen.');
}, {
  offset: 'bottom-in-view' // or '100%'
});

Using 'bottom-in-view' will activate the function once the entire element is visible in the viewport. On the other hand, using '100%' will trigger the function as soon as any part of the element touches the bottom of the viewport.

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