querySelectorAll

by zoho

HTML

<div id="d1">
    <p><a href="http://www.sina.com.cn">SINA</a></p>
</div>

JavaScript

function $(id){return document.getElementById(id);}
    var d1 = $('d1');
    var obj1 = d1.querySelector('div a');
    var obj2 = d1.querySelectorAll('div a');
    alert(obj1); // -> http://www.sina.com.cn/
    alert(obj2.length); // -> 1