Result

再生ボタンで動作を確認できます。

jQuery

    function footerStart(selector){
          // #itemまでスクロール
        $('html,body').animate({scrollTop: $(selector).offset().top},'slow');
        //スクロールの着地点を生成
    }$("#parent").append("<li id='item'>Last!!</li>");
     //セレクタ指定
    footerStart("#item");

html

<ul id='parent'>
  <li>start!!</li>
  <li><br/>1<br/>2<br/>3<br/>4<br/>・・・<br/>119</li>
</ul>

via

Scroll a list item such that it becomes visible? – Stack Overflow

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