The .remove() method is ineffective when used within an Ajax success function

I am facing an issue with removing HTML divs generated using jinja2 as shown below:

{% for student in students %}
<div class="item" id="{{ student.id }}_div">
   <div class="right floated content">
      <div class="negative ui button compact remove_from_class" id="{{ student.id }}">Remove from Class</div>
   </div>
   <i class="large user icon middle aligned icon"></i>
   <div class="content">
      <div class="header">
         <h3><u>{{ student.get_full_name }}</u></h3>
      </div>
      <div class="description">{{ student.email }}</div>
   </div>
</div>
{% endfor %}

Despite having a script to remove the parent div upon clicking, I'm encountering a problem where the div is not being removed. The code snippet of the removal process is provided below:

$(".remove_from_class").each(function () {
$(this).on("click", function () {
    var id = this.id;
    var url = window.location.pathname.split('/');
    var set_id = url.pop() || url.pop()


    $.ajax({
        method: 'POST',
        url: '/ajax/delete_from_class/',
        data: {
            'id': id,
            'set_id': set_id,
        },
        dataType: 'json',
        success: function (data) {
            if (data.success == true) {
                var div_id = id + "_div";
                var parent_div = $(div_id);
                parent_div.remove();

            } else {
                alert("Student wasn't removed!");
            }

        }
    })
})
})

Any insights or suggestions on why the div is not getting removed would be greatly appreciated! Thank you.

Answer №1

To effectively target an element using its id, you must prepend it with the # symbol.

var div_id = "#"+id + "_div"; // Make sure to use #
var parent_div = $(div_id);
parent_div.remove();

Alternatively, a more efficient method would be to save the reference to the div element within the .click function and then utilize that variable later on.

$(".remove_from_class").each(function () {
$(this).on("click", function () {
    var $parentDiv = $(this).closest(".item"); // Store it here
    var id = this.id;
    var url = window.location.pathname.split('/');
    var set_id = url.pop() || url.pop()


    $.ajax({
        method: 'POST',
        url: '/ajax/delete_from_class/',
        data: {
            'id': id,
            'set_id': set_id,
        },
        dataType: 'json',
        success: function (data) {
            if (data.success == true) {
                $parentDiv.remove(); // Remove it from here

            } else {
                alert("Student was not successfully removed!");
            }

        }
    })
})
})

Answer №2

Here's a suggestion to attempt:

$('#'+ id +'_container').remove();

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