How to Attach Event Listeners to Dynamically Created Elements in JavaScript?

Attaching Events to Dynamically Created Elements in JavaScript

When trying to append dynamic elements to a dynamically created list and add an event listener to the dynamically created elements, the events may not fire. This is because the elements are not available at the time the event listeners are attached.

To address this issue, event delegation can be employed. This technique involves attaching event listeners to a higher-level element that contains the dynamically created elements.

For instance, consider the following code:

document.addEventListener("click", function(e) {
  const target = e.target.closest("#btnPrepend"); // or any other selector

  if (target) {
    // Do something with 'target'
  }
});

In this example, an event listener is attached to the document object, listening for click events. The closest() function is used to determine if the click event originated from an element with the selector #btnPrepend (or any other defined selector). If a match is found, the event is handled accordingly.

Alternatively, jQuery provides a simplified approach to event delegation:

$(document).on("click", "#btnPrepend", function() {
  // Do something with `$(this)`
});

This method attaches an event listener to the document object, listening for click events specifically on elements with the selector #btnPrepend.

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