Utilize jQuery on DOM elements created dynamically

I'm attempting to craft a masonry display using dynamically generated div blocks. Here is the structure I am working with:

<div id="grid" class="panel">
  <div id="grid">
    <div id="posts">
      
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
      <script src="https://cdnjs.cloudflare.com/ajax/libs/masonry/3.3.2/masonry.pkgd.js"></script>
      <script src="assets/js/masonry.js"></script>
      
      <div class="post"> <!-- The .post are generated dynamically -->
        <!-- Block content generated dynamically -->
      </div>
  <div class="post"> <!-- The .post are generated dynamically -->
        <!-- Block content generated dynamically  -->
      </div>
    </div>
  </div>
</div

And here is the jQuery code being used:

jQuery(window).load(function () {

// Takes the gutter width from the bottom margin of .post

var gutter = parseInt(jQuery('.post').css('marginBottom'));
var container = jQuery('#posts');

// Creates an instance of Masonry on #posts

container.masonry({
gutter: gutter,
itemSelector: '.post',
columnWidth: '.post'
});
    /*
     * some code
     */
});

Whenever the page loads, I encounter the following error: Uncaught TypeError: container.masonry is not a function. I am new to jQuery and have been utilizing a masonry template from here.

I have researched similar issues such as this post on dynamic element binding: Event binding on dynamically created elements? However, I have been unable to solve my problem, assuming it may be due to trying to bind events to elements that do not exist yet.

Answer №1

Seems to be working for me... it appears that the issue lies in having duplicate ids in your markup, which can cause problems. One possible culprit could be the .post element being empty. Also, the link to masonry.js seems to be incorrect as it should be assets/js/masonry.js.

jQuery(window).load(function () {

// Takes the gutter width from the bottom margin of .post
var gutter = parseInt(jQuery('.post').css('marginBottom'));
var container = jQuery('#posts');

// Creates an instance of Masonry on #posts
container.masonry({
gutter: gutter,
itemSelector: '.post',
columnWidth: '.post'
});
});
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/masonry/3.3.2/masonry.pkgd.js"></script>
<script src="assets/js/masonry.js"></script>
<div class="panel">
  <div id="grid">
    <div id="posts">

      <div class="post"> 
        <p> The .post are generated dynamically</p>
        <p> Block content generated dynamically</p>
      </div>
  <div class="post"> 
        <p> The .post are generated dynamically </p>
        <p> Block content generated dynamically </p>
      </div>
    </div>
  </div>
</div>

Answer №2

The issue was resolved when I decided to eliminate the

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>

tag from my code, as it turns out I was already importing it from another included file... My mistake!

I appreciate all of your assistance, and have a fantastic day!

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