window.ResizeObserver
See: ResizeObserver
Since: v8.1
ResizeObserver(callback)
Provides a mechanism to observe changes to the size of an element's content or border box.
| Param | Type | Description |
|---|---|---|
callback | ResizeObserverCallback | The function called whenever a resize event is triggered. |
observe(target, [options])
Starts observing the specified target element for size changes.
See: ResizeObserver - observe
Since: v8.1
| Param | Type | Default | Description |
|---|---|---|---|
target | Element | The element to be observed. | |
[options] | Object | {} | Options to configure the observation. Default is { box: "content-box" }. |
[options.box] | string | Specifies which box model to observe. Can be "content-box" or "border-box". |
unobserve(target)
Stops observing the specified target element.
See: ResizeObserver - unobserve
Since: v8.1
| Param | Type | Description |
|---|---|---|
target | Element | The element to stop observing. |
disconnect()
Disconnects the ResizeObserver instance from all observed target elements.
See: ResizeObserver - disconnect
Since: v8.1
