
developer.mozilla.org/en-US/docs/Web/API/CustomElementRegistry/upgrade
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https://developer.mozilla.org/en-US/docs/Web/API/CustomElementRegistry/upgrade
CustomElementRegistry: upgrade() method - Web APIs | MDN
Learn about the CustomElementRegistry.upgrade() method, including its syntax, code examples, specifications, and browser compatibility.
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CustomElementRegistry: upgrade() method - Web APIs | MDN
https://developer.mozilla.org/en-US/docs/Web/API/CustomElementRegistry/upgrade
Learn about the CustomElementRegistry.upgrade() method, including its syntax, code examples, specifications, and browser compatibility.
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CustomElementRegistry: upgrade() method - Web APIs | MDN
Learn about the CustomElementRegistry.upgrade() method, including its syntax, code examples, specifications, and browser compatibility.
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en_US- og:descriptionThe upgrade() method of the CustomElementRegistry interface upgrades all shadow-containing custom elements in a Node subtree, even before they are connected to the main document.
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