<script language="javascript">
//添加行
function addRow(){
var tr=document.createElement("tr");
var button=document.createElement("input");
button.type="button";
button.value="删除";
button.onclick = function()
{
document.getElementById("newbody").removeChild(tr);
}
var td=document.createElement("td");
var td1=document.createElement("td");
var td2=document.createElement("td");
var td3=document.createElement("td");
var td4=document.createElement("td");
var input1 = document.createElement("input");
input1.type = "text";
var input2 = document.createElement("input");
input2.type = "text";
var span1=document.createElement("span");
span1.innerHTML="质子强度"
var span2=document.createElement("span");
span2.innerHTML="质子质量"
td.appendChild(input1);
td1.appendChild(span1);
td2.appendChild(span2);
td3.appendChild(input2);
td4.appendChild(button);
tr.appendChild(td1);
tr.appendChild(td);
tr.appendChild(td2);
tr.appendChild(td3);
tr.appendChild(td4);
document.getElementById("newbody").appendChild(tr);
}
</script>
<body >
<table id="table" align="center">
<tbody id="newbody"></tbody>
</table>
<input type="button" id="addRow" name="addRow" onClick="addRow();" value="添加行"/>
</body>