The dropdown div does not activate when the image is clicked

When the image in the simple dropdown is clicked, it fails to activate the dropdown feature.

This issue was encountered while working on a Shopify project, making it challenging to troubleshoot. To demonstrate the problem, I have re-created the scenario in CodePen. As shown in the example, clicking the image does not trigger the dropdown functionality.

Check out the CodePen demo here

Here's a snippet of the HTML code:

<div class="dropdownprod">
    <div onclick="dropDowntown()" class="dropbtn">
        <span class="dropdowncheese">Styles</span>PRODUCT TITLE<img class="dropimg2" src="https://upload.wikimedia.org/wikipedia/commons/e/e1/Small_rhombihexahedron.png" style="height:45px;"></div>
    <div id="myDropdown" class="dropdown-content">
        THE DROPDOWN CONTENT GOES HERE
  </div>
</div>

And here's the Javascript snippet for handling the dropdown functionality:

/* When the user clicks on the button, 
toggle between hiding and showing the dropdown content */
function dropDowntown() {
    document.getElementById("myDropdown").classList.toggle("show");
}

// Close the dropdown menu if the user clicks outside of it
window.onclick = function(event) {
  if (!event.target.matches('.dropbtn')) {

    var dropdowns = document.getElementsByClassName("dropdown-content");
    var i;
    for (i = 0; i < dropdowns.length; i++) {
      var openDropdown = dropdowns[i];
      if (openDropdown.classList.contains('show')) {
        openDropdown.classList.remove('show');
      }
    }
  }
}

However, upon further inspection, it was noticed that when clicking on the image, the code portion turns purple indicating an issue. Is there a specific reason behind this behavior?

Answer №1

The reason for this behavior is the implementation of your window.onclick function that controls the closing mechanism of the dropdown. Essentially, when you click on the image or span element, the dropDowntown() function is triggered, adding a specific class to the dropdown. However, immediately after, the window.onclick() function is fired, causing the class to be removed. To resolve this issue, consider modifying your if statement to exclude the span and image elements from triggering the closing script.

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