Interface CustomElement

See

https://developers.google.com/web/fundamentals/web-components/customelements#reactions

interface CustomElement {
    adoptedCallback(): void;
    attributeChangedCallback(
        name: string,
        oldValue: string,
        newValue: string,
    ): void;
    connectedCallback(): void;
    disconnectedCallback(): void;
}

Hierarchy (View Summary, Expand)

Methods

adoptedCallback? attributeChangedCallback? connectedCallback? disconnectedCallback?

Methods

OptionaladoptedCallback

  • adoptedCallback(): void

    The custom element has been moved into a new document (e.g. someone called document.adoptNode(el)).

    Returns void

OptionalattributeChangedCallback

  • attributeChangedCallback(name: string, oldValue: string, newValue: string): void

    Called when an observed attribute has been added, removed, updated, or replaced. Also called for initial values when an element is created by the parser, or upgraded.

    Note: only attributes listed in static observedAttributes property will receive this callback.

    Parameters

    • name: string
    • oldValue: string
    • newValue: string

    Returns void

OptionalconnectedCallback

  • connectedCallback(): void

    Called every time the element is inserted into the DOM

    Returns void

OptionaldisconnectedCallback

  • disconnectedCallback(): void

    Called every time the element is removed from the DOM.

    Returns void

Settings

Member Visibility

On This Page

Methods
MMNEPVFCICPMFPCPTTAAATR