class
Implements the functionality needed for a custom element.
abstract class NgElement extends HTMLElement { protected abstract ngElementStrategy: NgElementStrategy protected ngElementEventsSubscription: Subscription | null abstract attributeChangedCallback(attrName: string, oldValue: string, newValue: string, namespace?: string): void abstract connectedCallback(): void abstract disconnectedCallback(): void }
Property | Description |
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protected abstract ngElementStrategy: NgElementStrategy | The strategy that controls how a component is transformed in a custom element. |
protected ngElementEventsSubscription: Subscription | null | A subscription to change, connect, and disconnect events in the custom element. |
attributeChangedCallback() | ||||||||||||
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Prototype for a handler that responds to a change in an observed attribute. | ||||||||||||
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attrName | string | The name of the attribute that has changed. |
oldValue | string | The previous value of the attribute. |
newValue | string | The new value of the attribute. |
namespace | string | The namespace in which the attribute is defined. Optional. Default is |
void
: Nothing.
connectedCallback() |
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Prototype for a handler that responds to the insertion of the custom element in the DOM. |
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disconnectedCallback() |
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Prototype for a handler that responds to the deletion of the custom element from the DOM. |
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Licensed under the Creative Commons Attribution License 4.0.
https://v12.angular.io/api/elements/NgElement