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polymer 要素を取得し cloneNode() するとLocal DOM が入れ子で生成される問題の解決

Last updated at Posted at 2016-09-20

Polymer要素をPolymer.dom() メソッドを使用せずに cloneNode() するとLocal DOM が入れ子で生成されてしまったため、以下の記述で解決

component-item.html
class Item {
  get is() { return 'component-item'; }

  cloneNode(deep) {
    if (deep === undefined) {
      deep = true;
    }
    return Polymer.dom(this).cloneNode(deep);
  }
}
Polymer(Item.prototype);
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