<div id = "list">
<section><p><a id = "A" >A</a></p>
<ul>
<li>Irene Anders</li>
</ul></section>
<section><p><a id = "B">B</a></p></section>
<section><p><a id = "C">C</a></p></section>
<section><p><a id = "D">D</a></p></section>
<section><p><a id = "E">E</a></p></section>
<section><p><a id = "F">F</a></p></section>
<section><p><a id = "G">G</a></p></section>
<section><p><a id = "H">H</a></p></section>
<section><p><a id = "I">I</a></p></section>
<section><p><a id = "J">J</a></p></section>
<section><p><a id = "K">K</a></p></section>
<section><p><a id = "L">L</a></p></section>
<section><p><a id = "M">M</a></p></section>
<section><p><a id = "N">N</a></p></section>
<section><p><a id = "O">O</a></p></section>
<section><p><a id = "P">P</a></p></section>
<section><p><a id = "Q">Q</a></p></section>
<section><p><a id = "R">R</a></p></section>
<section><p><a id = "S">S</a></p></section>
<section><p><a id = "T">T</a></p></section>
<section><p><a id = "U">U</a></p></section>
<section><p><a id = "V">V</a></p></section>
<section><p><a id = "W">W</a></p></section>
<section><p><a id = "X">X</a></p></section>
<section><p><a id = "Y">Y</a></p></section>
<section><p><a id = "Z">Z</a></p></section>
</div>
javascript如下
var list = document.getElementById("list");
alert(list);
alert结果是null 希望能读到div里的childNodes
