mizoochi.com - mizoochi リソースおよび情報

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[tomoworks]

これがスマートかも。

[ryoubi]

「.length」を付ければif文で任意の要素があるかどうか判定できる：jQuery ifによる要素の判定 -

[hisasann]

size() or length。さぁどちらを選ぶ！

[Layzie]

罠だよね… id:hisasann 速さでlengthに一票です！

[ruicc]

タグの有無判定は$(' ... ').lengthで。