怎样"取消"或"禁止"点击超级链接

Question

怎样"取消"或"禁止"点击超级链接

Answer 1

obj = document.getElementById("a_id");
obj.href = "";
or
obj.href = "javascript:void(0);";

Answer 2

<a href="#" id="a1" onclick="alert('ddddd');document.location.href='http://www.baidu.com'">asdasdasd</a>
<input name="button1" type="button" value="禁止" onclick="document.getElementById('a1').onclick=null;document.getElementById('a1').href='javascript:void(0)'">
<input name="button1" type="button" value="不禁止" onclick="document.getElementById('a1').onclick=function(){alert('aaa');document.location.href='http://www.baidu.com';document.getElementById('a1').href='#'}">