我用createElement后怎么输出换行。注：我很白痴

Question

<script>
function add(){
var t=document.createElement("input");
t.type="FILE"
t.attachEvent("onchange",function(){alert(t.value)})
var obj=document.getElementById("table1")
var row=obj.insertRow(obj.childNodes[0].childNodes.length);
var cell=row.insertCell();
cell.appendChild(t)
}
</script>
<form method="POST" action="" name="form1" onsubmit="return false" style="border:1 solid #3366cc">
<table border="1" id="table1">
<tr>
<td>
<input type="submit" name="B1" onclick="add()">
</td>
</tr>
</table></form>

Answer 1

<script language=javascript>
function add(){
var t=document.createElement("input");
t.type="FILE"
t.attachEvent("onchange",function(){alert(t.value)})
var obj=document.getElementById("table1")
var row=obj.insertRow(obj.childNodes[0].childNodes.length);
var cell1=row.insertCell();
var cell2=row.insertCell();
cell1.appendChild(t)
cell2.innerHTML="<input name=button1 type=button value=\"删除\" onclick='this.parentNode.parentNode.parentNode.parentNode.deleteRow(this.parentNode.parentNode.rowIndex)'>"
}
</script>
<form method="POST" action="" name="form1" onsubmit="return false" style="border:1 solid #3366cc">
<table border="1" id="table1">
<tr>
<td>
<input type="submit" name="B1" onclick="add()">
</td>
</tr>
</table></form>