ToggleEvent: newState property

The newState read-only property of the ToggleEvent interface is a string representing the state the element is transitioning to.

Value

A string. Possible values are "open" (the popover is being shown) or "closed" (the popover is being hidden).

Examples

const popover = document.getElementById("mypopover");

// …

popover.addEventListener("beforetoggle", (event) => {
  if (event.newState === "open") {
    console.log("Popover is being shown");
  } else {
    console.log("Popover is being hidden");
  }
});

Specifications

Browser compatibility

See also

• Popover API