jquery 添加删除记录练习
<!DOCTYPE HTML PUBLIC “-//W3C//DTD HTML 4.01//EN” “http://www.w3.org/TR/html4/strict.dtd”>
<html>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=UTF-8″>
<title>添加删除记录练习</title>
<link rel=”stylesheet” type=”text/css” href=”css.css”/>
</head>
<body>
<table id=”employeeTable”>
<tr>
<th>Name</th>
<th>Email</th>
<th>Salary</th>
<th> </th>
</tr>
<tr>
<td>Tom</td>
<td>tom@tom.com</td>
<td>5000</td>
<td><a href=”deleteEmp?id=001″>Delete</a></td>
</tr>
<tr>
<td>Jerry</td>
<td>jerry@sohu.com</td>
<td>8000</td>
<td><a href=”deleteEmp?id=002″>Delete</a></td>
</tr>
<tr>
<td>Bob</td>
<td>bob@tom.com</td>
<td>10000</td>
<td><a href=”deleteEmp?id=003″>Delete</a></td>
</tr>
</table>
<div id=”formDiv”>
<h4>添加新员工</h4>
<table>
<tr>
<td class=”word”>name:</td>
<td class=”inp”>
<input type=”text” name=”empName” id=”empName”/>
</td>
</tr>
<tr>
<td class=”word”>email:</td>
<td class=”inp”>
<input type=”text” name=”email” id=”email”/>
</td>
</tr>
<tr>
<td class=”word”>salary:</td>
<td class=”inp”>
<input type=”text” name=”salary” id=”salary”/>
</td>
</tr>
<tr>
<td colspan=”2″ align=”center”>
<button id=”addEmpButton” value=”abc”>
Submit
</button>
</td>
</tr>
</table>
</div>
<script src=”jquery-1.10.1.js” type=”text/javascript” charset=”utf-8″></script>
<script type=”text/javascript”>
/*
功能说明:
1. 点击\’Submit\’, 根据输入的信息在表单中生成一行员工信息
2. 点击Delete链接, 提示删除当前行信息, 点击确定后删除信息
技术要点:
1. DOM查询
2. 绑定事件监听
3. DOM增删改
4. 取消事件的默认行为
*/
$(function () {
// 获取三个输入框 和输入框中的值
var $empName = $(\’#empName\’);
var $email = $(\’#email\’);
var $salary = $(\’#salary\’);
$(\’#addEmpButton\’).click(function () {
var empName = $empName.val();
var email = $email.val();
var salary = $salary.val();
// <tr>
// <td>Bob</td>
// <td>bob@tom.com</td>
// <td>10000</td>
// <td><a href=”deleteEmp?id=003″>Delete</a></td>
// </tr>
$(\'<tr></tr>\’)
.append(\'<td>\’+empName+\'</td>\’)
.append(\'<td>\’+email+\'</td>\’)
.append(\'<td>\’+salary+\'</td>\’)
.append(\'<td><a href=”deleteEmp?id=003″>Delete</a></td>\’)
.appendTo(\’#employeeTable>tbody\’)
.find(\’a\’).click(clickA);
$empName.val(\’\’);
$email.val(\’\’);
$salary.val(\’\’);
});
$(\’a\’).click(clickA)
function clickA(event) {
// 阻止默认事件行为
event.preventDefault()
var $tr = $(this).parent().parent();
var name = $tr.children(\’:first\’).html();
if (confirm(\’你确定要删除\’+name+\’的信息吗？\’)){
$tr.remove();
}
}
})
</script>
</body>
</html>
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