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How to use polyfill_declarative_shadow_dom method in wpt

Best JavaScript code snippet using wpt

cq-testcommon.js

Source:cq-testcommon.js

1function assert_implements_container_queries() {2  assert_implements(CSS.supports("container-type:size"), "Basic support for container queries required");3}4function polyfill_declarative_shadow_dom(root) {5  root.querySelectorAll("template[shadowroot]").forEach(template => {6    const mode = template.getAttribute("shadowroot");7    const shadowRoot = template.parentNode.attachShadow({ mode });8    shadowRoot.appendChild(template.content);9    template.remove();10    polyfill_declarative_shadow_dom(shadowRoot);11  });...

Using AI Code Generation

1test(() => {2  polyfill_declarative_shadow_dom();3  const host = document.createElement('div');4  host.attachShadow({mode: 'open'});5  const template = document.createElement('template');6  template.innerHTML = '<div id="foo"></div>';7  host.shadowRoot.appendChild(template.content);8  const div = host.shadowRoot.querySelector('#foo');9  assert_true(div instanceof HTMLDivElement);10  assert_equals(div.localName, 'div');11}, 'polyfill_declarative_shadow_dom() should make shadow DOM work');12test(() => {13  polyfill_declarative_shadow_dom();14  const host = document.createElement('div');15  host.attachShadow({mode: 'open'});16  const template = document.createElement('template');17  template.innerHTML = '<div id="foo"></div>';18  host.shadowRoot.appendChild(template.content);19  const div = host.shadowRoot.querySelector('#foo');20  assert_true(div instanceof HTMLDivElement);21  assert_equals(div.localName, 'div');22}, 'polyfill_declarative_shadow_dom() should make shadow DOM work');23test(() => {24  polyfill_declarative_shadow_dom();25  const host = document.createElement('div');26  host.attachShadow({mode: 'open'});27  const template = document.createElement('template');28  template.innerHTML = '<div id="foo"></div>';29  host.shadowRoot.appendChild(template.content);30  const div = host.shadowRoot.querySelector('#foo');31  assert_true(div instanceof HTMLDivElement);32  assert_equals(div.localName, 'div');33}, 'polyfill_declarative_shadow_dom() should make shadow DOM work');34test(() => {35  polyfill_declarative_shadow_dom();36  const host = document.createElement('div');37  host.attachShadow({mode: 'open'});38  const template = document.createElement('template');39  template.innerHTML = '<div id="foo"></div>';40  host.shadowRoot.appendChild(template.content);41  const div = host.shadowRoot.querySelector('#foo');42  assert_true(div instanceof HTMLDivElement);43  assert_equals(div.localName, 'div');44}, 'polyfill_declarative_shadow_dom() should make shadow DOM work');

Using AI Code Generation

1'use strict';2const template = document.createElement('template');3`;4class MyElement extends HTMLElement {5  constructor() {6    super();7    this.attachShadow({mode: 'open'});8    this.shadowRoot.appendChild(template.content.cloneNode(true));9  }10}11customElements.define('my-element', MyElement);12const myElement = document.querySelector('my-element');13const div = myElement.shadowRoot.getElementById('mydiv');14[MIT](LICENSE)

Using AI Code Generation

1import { polyfill_declarative_shadow_dom } from './wpt.js';2class MyElement extends HTMLElement {3  constructor() {4    super();5    const shadow = this.attachShadow({mode: 'open'});6    shadow.innerHTML = `<p>My name is <span id="name">Shadow</span></p>`;7  }8}9customElements.define('my-element', MyElement);10polyfill_declarative_shadow_dom();11const template = document.createElement('template');12`;13const element = document.createElement('div');14element.attachShadow({mode: 'open'});15element.shadowRoot.appendChild(template.content.cloneNode(true));16document.body.appendChild(element);

Using AI Code Generation

1function testShadowTree() {2  var div = document.createElement('div');3  var shadow = div.attachShadow({mode: 'open'});4  var text = document.createTextNode('This is a shadow tree');5  shadow.appendChild(text);6  var parent = document.getElementById('test');7  parent.appendChild(div);8  var result = document.getElementById('result');9  result.innerHTML = div.shadowRoot.innerHTML;10}11window.addEventListener('load', testShadowTree);

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