[jQuery] whether the structure of the jQuery object like this
<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">whether the structure of the jQuery object like this :<div>
</div><div>$('p') </div><div>
</div><div>if the tag p only one, the structure is :</div><div>
</div><div>
</div><div> [ [ attr => value ] ]</div><div>
</div><div>
</div><div>if the tag p has two , the structure is :</div><div>
</div><div>
</div><div>[ [ attr => value], [attr => value] ]</div><div>
</div><div>
</div><div>
</div><div>Thanks </div><div>
</div><div>
</div><div>Alex</div></body></html>