Bad masonry element: null – using wordpress

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I am writing a wordpress plugin in php. In that plugin I output pictures with a little text and want to do that with masonry.

When I initialize masonry in HTML, it seems to work, but the pictures overlap:

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<div id="container" class="js-masonry"  data-masonry-options='{ "columnWidth": 200, "itemSelector": ".item" }'>

Therefore I am trying to use “Imagesloaded” (by the same developer?).

But as I see it, before I can use ImagesLoaded I need to get Masonry up and running with javascript. When I initialize Masonry in my plugin_scripts.js I get an error on the frontend:

plugin_scripts.js: 

jQuery(function() {

alert("hallo");
var container = document.querySelector('#container');
var msnry = new Masonry( container, {
  // options
  columnWidth: 200,
  itemSelector: '.item'
});

});

Console Error in Frontend: 

Bad masonry element: null 
masonry.min.js?ver=3.1.2:1
q masonry.min.js?ver=3.1.2:1
d masonry.min.js?ver=3.1.2:1
(anonymous function) schnoogle_scripts_frontend.js?ver=3.9.2:10
j jquery.js?ver=1.11.0:2
k.fireWith jquery.js?ver=1.11.0:2
n.extend.ready jquery.js?ver=1.11.0:2
K jquery.js?ver=1.11.0:2

Can you help?

Post Views: 2

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3 comments

  2. It looks like Masonry can’t find your container for some reason. I assume you’ve tried the obvious, such as making sure #container is actually on the page.

    If you’re using jQuery (which you are), you can use jQuery’s selector engine.

    var $container = $('#container');
// initialize
$container.masonry({
  columnWidth: 200,
  itemSelector: '.item'
});

    Ensure this is within a document.ready call, so that you’re doing it after the rest of the page is ready.

  3. if using vanilla js in WordPress, if you enqueue a script it’s everywhere. to solve this I query to see if the element is on the page for initializing Masonry.

    var masonry_element = document.querySelector( '.masonry' );
if( typeof( masonry_element ) != 'undefined' && masonry_element != null ){
    var msnry = new Masonry( '.masonry', { ... } );
}