| <!DOCTYPE html> |
| <body> |
| <p>Test passes if you see a single 100px by 100px green box below.</p> |
| <div id="t1"> |
| <span>FAIL</span> |
| </div> |
| <div id="t2"> |
| <span slot="second">FAIL</span> |
| </div> |
| <div id="t3"> |
| <span>FAIL</span> |
| </div> |
| <div id="t4"> |
| <span>FAIL</span> |
| </div> |
| <div id="t5"> |
| <span>FAIL</span> |
| </div> |
| <script> |
| |
| function attachShadow(host) |
| { |
| const shadow = host.attachShadow({mode: 'closed'}); |
| shadow.innerHTML = ` |
| <style> |
| :host { |
| width: 100px; |
| height: 20px; |
| background: green; |
| color: red; |
| } |
| </style> |
| <div><slot></slot></div> |
| <div id="second-parent"><slot name="second"></slot></div> |
| `; |
| return shadow; |
| } |
| |
| { |
| const host = document.querySelector('#t1'); |
| const shadow = attachShadow(host); |
| const style = shadow.querySelector('style'); |
| style.sheet.insertRule(".selected ::slotted(*) { color: green }"); |
| getComputedStyle(host.querySelector('span')).backgroundColor; |
| const div = shadow.querySelector('div'); |
| div.className = 'selected'; |
| } |
| |
| { |
| const host = document.querySelector('#t2'); |
| const shadow = attachShadow(host); |
| getComputedStyle(host.querySelector('span')).backgroundColor; |
| const style = shadow.querySelector('style'); |
| style.sheet.insertRule("#second-parent ::slotted(*) { color: green }"); |
| } |
| |
| { |
| const host = document.querySelector('#t3'); |
| const shadow = attachShadow(host); |
| getComputedStyle(host.querySelector('span')).backgroundColor; |
| const style = document.createElement("style"); |
| style.textContent = "div ::slotted(*) { color: green }"; |
| shadow.appendChild(style); |
| } |
| |
| { |
| const host = document.querySelector('#t4'); |
| const shadow = attachShadow(host); |
| getComputedStyle(host.querySelector('span')).backgroundColor; |
| const style = shadow.querySelector('style'); |
| style.sheet.insertRule(":host { color: green }", 1); |
| } |
| |
| { |
| const host = document.querySelector('#t5'); |
| const shadow = attachShadow(host); |
| getComputedStyle(host.querySelector('span')).backgroundColor; |
| const style = document.createElement("style"); |
| style.textContent = ":host(div) { color: green }"; |
| shadow.appendChild(style) |
| } |
| |
| </script> |
