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Cómo seleccionar la etiqueta del elemento de la raíz de la sombra

Estoy tratando de seleccionar una etiqueta de shadow root pero no funciona. Entonces, ¿cómo seleccionar una etiqueta particular de los elementos raíz de la sombra anidados?

 #shadow-root(open) <start> #shadow-root(open) <plural> #shadow-root(open) <main> #shadow-root(open) <content> <p>..text..</p> </content> </main> </plural> </starts>

Mecanografiado:

 let inside = this.shadowRoot.querySelector('content').innerHTML; console.log(inside);
about 4 years ago · Juan Pablo Isaza
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Para niveles desconocidos de shadowRoot necesitas "Walk the DOM" y sumergirte en shadowRoots:

 customElements.define("my-component", class extends HTMLElement { constructor() { super().attachShadow({mode:"open"}).innerHTML = `<slot></slot>`; } }) const shadowDive = ( el, selector, match = (el, root) => { console.warn('match', el, root); } ) => { let root = el.shadowRoot || el; root.querySelector(selector) && match(root.querySelector(selector), root); [...root.querySelectorAll("*")].map(el => shadowDive(el, selector, match)); } shadowDive(document.body, "content"); // note optional 2nd, 3rd parameter
 <my-component> #shadow-root(open) <my-component> #shadow-root(open) <my-component> #shadow-root(open) <content> <p>..text..</p> </content> </my-component> </my-component> </my-component>

about 4 years ago · Juan Pablo Isaza Report
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