HTMLDialogElement: cancel event

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2022.

  • <dialog> element when the user instructs the browser that they wish to dismiss the current open dialog. The browser fires this event when the user presses the Esc key.

    This event is cancelable but can not bubble.

    When a <dialog> is dismissed with the Esc key, both the cancel and addEventListener(), or set an event handler property.

    js
    addEventListener("cancel", (event) => {});
    
    oncancel = (event) => {};
    

    Event type

    A generic Event.

    Examples

    Canceling a dialog

    HTML

    html
    <dialog class="example-dialog">
      <button class="close">Close</button>
    </dialog>
    
    <button class="open-dialog">Open dialog</button>
    
    <div class="result"></div>
    

    JavaScript

    js
    const result = document.querySelector(".result");
    
    const dialog = document.querySelector(".example-dialog");
    
    dialog.addEventListener("cancel", (event) => {
      result.textContent = "dialog was canceled";
    });
    
    const openDialog = document.querySelector(".open-dialog");
    openDialog.addEventListener("click", () => {
      if (typeof dialog.showModal === "function") {
        dialog.showModal();
        result.textContent = "";
      } else {
        result.textContent = "The dialog API is not supported by this browser";
      }
    });
    
    const closeButton = document.querySelector(".close");
    closeButton.addEventListener("click", () => {
      dialog.close();
    });
    

    Result

    Specifications

    Specification
    HTML
    # handler-oncancel

    Browser compatibility

    BCD tables only load in the browser

    See also