CustomElementRegistry.upgrade()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
O upgrade()
é um método de CustomElementRegistry
a interface atualiza todos os shadow-containing custom elements em um Node
da
subárvore, mesmo antes de estarem conectados ao principal documento.
Syntax
js
customElements.upgrade(root);
Parâmetros
Valor de retorno
Void.
Exemplos
Retirado de HTML spec:
js
const el = document.createElement("spider-man");
class SpiderMan extends HTMLElement {}
customElements.define("spider-man", SpiderMan);
console.assert(!(el instanceof SpiderMan)); // Ainda não atualizado
customElements.upgrade(el);
console.assert(el instanceof SpiderMan); // Atualizado!
Especificações
Specification |
---|
HTML # dom-customelementregistry-upgrade-dev |
Compatibilidade com navegadores
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
upgrade |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.