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
js
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
Specification |
---|
HTML Standard # dom-toggleevent-newstate |
Browser compatibility
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