ElementController.onAttributeChangedCallback() method

Runs the attribute changed callback for the associated element.

Signature:

onAttributeChangedCallback(name: string, oldValue: string | null, newValue: string | null): void;

Parameters

Parameter	Type	Description
name	string	The name of the attribute that changed.
oldValue	string \| null	The previous value of the attribute.
newValue	string \| null	The new value of the attribute.

Returns:

void