NgElement
class
Implements the functionality needed for a custom element.
abstract class NgElement extends HTMLElement {
protected ngElementStrategy: NgElementStrategy
protected ngElementEventsSubscription: Subscription | null
abstract attributeChangedCallback(attrName: string, oldValue: string | null, newValue: string, namespace?: string): void
abstract connectedCallback(): void
abstract disconnectedCallback(): void
}Properties
| Property | Description |
|---|---|
protected 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. |
Methods
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attributeChangedCallback()
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Prototype for a handler that responds to a change in an observed attribute. |
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| attrName | The name of the attribute that has changed. |
| oldValue | The previous value of the attribute. |
| newValue | The new value of the attribute. |
| namespace | The namespace in which the attribute is defined. Optional. Default is |
Returns
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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© 2010–2019 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
https://v6.angular.io/api/elements/NgElement