Issue with JQuery .fadeToggle() function: Unexpected behavior causing automatic fade-out

Question

Issue with JQuery .fadeToggle() function: Unexpected behavior causing automatic fade-out

$(document).on('click', '.tree label', function(e) {
  $(this).next('ul').fadeToggle();
  e.stopPropagation();
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<ul class="tree">
  <li class="has">
    <label class="container">ROOT<span class="total">(12) </span>
<input type="checkbox" name="domain[]" value="ROOT">
<span class="checkmark"></span></label></ul>

<ul style="display: none;">
  <li><label class="container">CHILD<input type="checkbox" name="subject[]" value="CHILD"><span class="checkmark"></span></label></li>
</ul></li>
</ul>

Whenever I click the initial label, it should trigger a fadeToggle effect on the following ul. However, the toggle happens too quickly, resulting in an automatic fade-out.

Could someone kindly advise on the root of this issue? Could it be related to the formatting of the HTML code?

javascript html jquery css jquery-ui

Answer 1

Answer №1

Your HTML code is incorrect. The first ul tag is not properly closed.

$(document).on('click', '.tree label', function(e) {
  $(this).next('ul').fadeToggle();
  e.stopPropagation();
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<ul class="tree">
  <li class="has">
    <label class="container">ROOT<span class="total">(12) </span>
<input type="checkbox" name="domain[]" value="ROOT">
<span class="checkmark"></span></label>

    <ul style="display: none;">
      <li><label class="container">CHILD<input type="checkbox" name="subject[]" value="CHILD"><span class="checkmark"></span></label></li>
    </ul>
</li>
</ul>

The fading effect is not working for me. Here is a screenshot for reference:

https://i.sstatic.net/nb0AA.png

Answer 2

Your HTML code is incorrect. The first ul tag is not properly closed.

$(document).on('click', '.tree label', function(e) {
  $(this).next('ul').fadeToggle();
  e.stopPropagation();
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<ul class="tree">
  <li class="has">
    <label class="container">ROOT<span class="total">(12) </span>
<input type="checkbox" name="domain[]" value="ROOT">
<span class="checkmark"></span></label>

    <ul style="display: none;">
      <li><label class="container">CHILD<input type="checkbox" name="subject[]" value="CHILD"><span class="checkmark"></span></label></li>
    </ul>
</li>
</ul>

The fading effect is not working for me. Here is a screenshot for reference:

https://i.sstatic.net/nb0AA.png

Answer 3

Answer №2

Your most recent update included a </li></ul>, but they are out of place - the </ul> is actually unnecessary, and the <li> should come after the first checkbox. I have made the necessary adjustments in the code provided below.

The snippet of code does not exhibit the issue you mentioned - the CHILD is not visible at all. This is because .next() selects the next sibling. The term "sibling" refers to an element at the same level in the DOM tree, whereas you are seeking siblings of your <label>. Properly formatting the HTML would make this clearer:

<ul class="tree">
    <li class="has">
        <label class="container">ROOT
            <span class="total">(12)</span>
            <input type="checkbox" name="domain[]" value="ROOT">
            <span class="checkmark"></span>
        </label>
        <!-- This is where any siblings of $('.tree label') would be -->
    </li> <!-- This /li is missing from your HTML -->
</ul>

If there are multiple instances of this structure on the page and you truly desire the following one, you can utilize .closest() to locate the parent ul of the click event, and then apply .next() to access the subsequent ul. For example:

$(document).on('click', '.tree label', function(e) {
    $(this).closest('ul').next('ul').fadeToggle();
    e.stopPropagation();
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<ul class="tree">
    <li class="has">
        <label class="container">ROOT
            <span class="total">(12)</span>
            <input type="checkbox" name="domain[]" value="ROOT">
            <span class="checkmark"></span>
        </label>
    </li>
</ul>

<ul style="display: none;">
    <li>
        <label class="container">CHILD
            <input type="checkbox" name="subject[]" value="CHILD">
            <span class="checkmark"></span>
        </label>
    </li>
</ul>

Answer 4

Your most recent update included a </li></ul>, but they are out of place - the </ul> is actually unnecessary, and the <li> should come after the first checkbox. I have made the necessary adjustments in the code provided below.

The snippet of code does not exhibit the issue you mentioned - the CHILD is not visible at all. This is because .next() selects the next sibling. The term "sibling" refers to an element at the same level in the DOM tree, whereas you are seeking siblings of your <label>. Properly formatting the HTML would make this clearer:

<ul class="tree">
    <li class="has">
        <label class="container">ROOT
            <span class="total">(12)</span>
            <input type="checkbox" name="domain[]" value="ROOT">
            <span class="checkmark"></span>
        </label>
        <!-- This is where any siblings of $('.tree label') would be -->
    </li> <!-- This /li is missing from your HTML -->
</ul>

If there are multiple instances of this structure on the page and you truly desire the following one, you can utilize .closest() to locate the parent ul of the click event, and then apply .next() to access the subsequent ul. For example:

$(document).on('click', '.tree label', function(e) {
    $(this).closest('ul').next('ul').fadeToggle();
    e.stopPropagation();
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<ul class="tree">
    <li class="has">
        <label class="container">ROOT
            <span class="total">(12)</span>
            <input type="checkbox" name="domain[]" value="ROOT">
            <span class="checkmark"></span>
        </label>
    </li>
</ul>

<ul style="display: none;">
    <li>
        <label class="container">CHILD
            <input type="checkbox" name="subject[]" value="CHILD">
            <span class="checkmark"></span>
        </label>
    </li>
</ul>

Issue with JQuery .fadeToggle() function: Unexpected behavior causing automatic fade-out

Answer №1

Answer №2

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