<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>動态表格</title>
<style>
table{
border: 1px solid;
margin: auto;
width: 500px;
}
td,th {
text-align: center;
border: 1px solid;
}
div{
text-align: center;
margin: 50px;
}
</style>
</head>
<body>
<div>
<input type="text" id="id" placeholder="請輸入編号">
<input type="text" id="name" placeholder="請輸入姓名">
<input type="text" id="gender" placeholder="請輸入性别">
<input type="button" value="添加" id="btn_add">
</div>
<table>
<caption>學生資訊表</caption>
<tr>
<th>編号</th>
<th>姓名</th>
<th>性别</th>
<th>操作</th>
</tr>
<!--<tr>
<td>3</td>
<td>嶽不群</td>
<td>?</td>
<td><a href="javascript:void(0);" onclick="delTr(this);" >删除</a></td>
</tr>-->
</table>
<script>
document.getElementById("btn_add").onclick = function() {
//擷取文本框内容
var id = document.getElementById("id").value;
var name = document.getElementById("name").value;
var gender = document.getElementById("gender").value;
//建立td,指派td的标簽體
//id的td
var td_id = document.createElement("td");
var text_id = document.createTextNode(id);
td_id.appendChild(text_id);
//name的td
var td_name = document.createElement("td");
var text_name = document.createTextNode(name);
td_name.appendChild(text_name);
//gender的td
var td_gender = document.createElement("td");
var text_gender = document.createTextNode(gender);
td_gender.appendChild(text_gender);
//a标簽的td
var td_a = document.createElement("td");
var ele_a = document.createElement("a");
ele_a.setAttribute("href","javascript:void(0);");
ele_a.setAttribute("onclick","delTr(this);");
var text_a = document.createTextNode("删除");
ele_a.appendChild(text_a);
td_a.appendChild(ele_a);
var tr = document.createElement("tr");
//添加td到tr中
tr.appendChild(td_id);
tr.appendChild(td_name);
tr.appendChild(td_gender);
tr.appendChild(td_a);
//擷取table
var table = document.getElementsByTagName("table")[0];
table.appendChild(tr);
}
//删除方法
function delTr(obj) {
var table = obj.parentNode.parentNode.parentNode;
var tr = obj.parentNode.parentNode;
table.removeChild(tr);
}
</script>
</body>
</html>
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