On Remove Element

The on_remove_elem special attribute allows you to register a function that will be called when the element is removed from the DOM.

#![allow(unused)]
fn main() {
let mut div: VirtualNode = html! {
    <div></div>
};

div.as_velement_mut()
    .unwrap()
    .special_attributes
    .set_on_remove_element(
       "some-key",
        move |_elem: web_sys::Element| {
          // ...
        },
    ));
}

Macro shorthand

You can also use the html! macro to set the on_remove_element function.

#![allow(unused)]
fn main() {
let _ = html! {
  <div
    key="some-key"
	on_remove_element = move |_element: web_sys::Element| {
	  // ...
	}
  >
    Before
  </div>
}
}