関連ワード:  what does document queryselectorall return    what does document queryselector return    what does document queryselectorall .item return    what does document queryselectorall (' div ') return    what does document dot queryselector return    what does document queryselector (' class name ') return    what does the document queryselector () method return    what does queryselectorall return    document.queryselectorall example  
結果 : what does document queryselectorall return