| Created |
| Associated with custom element constructor |
| Associated with カスタム要素コンストラクター |
| Associated with カスタム要素構築子 |
| Associated with custom element constructors |
| Associated with カスタム要素構築器 |
| Associated with 要素の格上げ |
| Associated with upgrade |
| Associated with upgrade an element |
| Associated with 格上げ |
| Associated with 格上げ (DOM) |
| Associated with 要素の格上げを試行 |
| Associated with try to upgrade an element |
| Associated with 要素の格上げの試行 |
| Associated with 格上げ反応 |
| Associated with upgrade reaction |
| Associated with カスタム要素格上げ反応をキューに追加 |
| Associated with enqueue a custom element upgrade reaction |
| Associated with コンストラクター |
| Associated with コンストラクタ |
| Associated with custom element upgrade steps |
| Associated with CustomElementConstructor |