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onViewportLeave( )
Adds an event handler that runs when an element is no longer displayed in the viewable part of the current window.
Description
An element leaves the viewport when the page is scrolled so that the
element is completely out of view. An element also leaves the viewport
if it was shown or expanded and is then hidden
or collapsed from the viewable part
of the current window. onViewportLeave()
is not fired for hidden or collapsed
elements even if they are scrolled out of view.
You can also define an event handler using the Properties and Events panel.
Authorization
Request
This endpoint does not take any parameters
Response Object
The element on which the event is now registered.
Returns an empty object.
Status/Error Codes
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Get the ID of the element that has left the viewport
Copy Code
1$w("#myElement").onViewportLeave( (event) => {2 let targetId = event.target.id; // "myElement"3});