<input type="text" id="mytxt" value="">
<input type="button" id="mybtn" value="ok">
<script type="text/javascript">
<!--
var t = document.getElementById("mytxt");
var b = document.getElementById("mybtn");
if (t.value != "")
{
var o = document.createElement("a");
o.value = t.value;
o.href = t.value;
document.body.appendChild(o);
}
//-->
</script>
<input type="button" id="mybtn" value="ok">
<script type="text/javascript">
<!--
var t = document.getElementById("mytxt");
var b = document.getElementById("mybtn");
if (t.value != "")
{
var o = document.createElement("a");
o.value = t.value;
o.href = t.value;
document.body.appendChild(o);
}
//-->
</script>
----------
<input type="button" value="新增" onclick="newTag()">
<input type="text" name="txt" value="sadfasdfasdf">
<script>
function newTag() {
var a = document.createElement("A");
a.innerText = txt.value;
a.href = "#";
document.body.appendChild(a);
}
</script>