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querySelectorAll でブラウジング中に不要な要素を気軽に消したりする

More than 1 year has passed since last update.
  • Chrome とか適当に開発コンソールが開けるブラウザでコンソールを開く
  • おもむろに以下のようなコードを実行すればいらない要素を消せる
    • セレクタや消す条件は適宜読み換える
(() => {
    // リスト一覧の要素を querySelectorAll で取得
    const listItems = document.querySelectorAll('table.mTop5 > tbody > tr');

    listItems.forEach(listItem => {
        // 条件に一致する要素があれば削除する
        // 今回の例だと、特定の label 要素に任意の文字列が含まれていなければ削除
        const labelElem = listItem.querySelector('label[title="メモリ規格"]');
        if (! labelElem) { return; }

        const text = labelElem.innerHTML.trim();
        if (text.indexOf('DDR3') < 0) {
            listItem.parentNode.removeChild(listItem);
        }
    });
})();
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