JavaScript Toggle Event Not Working Consistently on Image Popup

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1

I’m encountering an issue with a JavaScript toggle functionality for an image popup. When I click on an image, the popup appears correctly. However, after closing it once by clicking the background, subsequent attempts to close the popup fail.

function displayProductImagePopup(imageElement) {
    const modalContainer = document.querySelector('.product-image-modal');
    const enlargedImage = document.getElementById('popupImageDisplay');
    
    modalContainer.classList.toggle('modal-visible');
    enlargedImage.src = imageElement.src;
    
    modalContainer.addEventListener('click', e => {
        modalContainer.classList.toggle('modal-visible');
    });
}

I’ve tried the above code, but I’m struggling to understand why the toggle event becomes unresponsive after the first close. Can someone help me troubleshoot this behavior? I’m relatively new to JavaScript and would appreciate guidance.

2

The problem in your code is that you're repeatedly adding event listeners without removing the previous ones. This causes multiple listeners to stack, leading to unpredictable toggle behavior. Here's a cleaner approach:

Instead of adding a new event listener every time the function runs, create a single event listener function that handles modal closing. You can use event delegation and check if the clicked element is the modal background. By using a single, persistent event listener and checking the event target, you'll ensure more consistent popup behavior.

I recommend refactoring your code to separate the modal opening and closing logic. Create a dedicated modal close function that checks `event.target` against the modal container, and attach this listener only once when initializing your page. This approach prevents multiple listener attachments and provides more predictable interaction.

3

try using removeEventListener() b4 adding new ones. also check if ur event target is rly the modal background. mayb use stopPropagation() to prevent weird behavior. it mite help fix ur toggle prblm :+1: