Jquery动态增加或删除表格中的一行

https://www.tutorialrepublic.com/codelab.php?topic=faq&file=jquery-append-and-remove-table-row-dynamically
jQuery Add / Remove Table Rows Dynamically

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery Add / Remove Table Rows Dynamically</title>
<style type="text/css">
form{
margin: 20px 0;
}
form input, button{
padding: 5px;
}
table{
width: 100%;
margin-bottom: 20px;
border-collapse: collapse;
}
table, th, td{
border: 1px solid #cdcdcd;
}
table th, table td{
padding: 10px;
text-align: left;
}
</style>
<script src="https://code.jquery.com/jquery-1.12.4.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$(".add-row").click(function(){
var name = $("#name").val();
var email = $("#email").val();
var markup = "<tr><td><input type='checkbox' name='record'></td><td>" + name + "</td><td>" + email + "</td></tr>";
$("table tbody").append(markup);
});

// Find and remove selected table rows
$(".delete-row").click(function(){
$("table tbody").find('input[name="record"]').each(function(){
if($(this).is(":checked")){
$(this).parents("tr").remove();
}
});
});
});
</script>
</head>
<body>
<form>
<input type="text" id="name" placeholder="Name">
<input type="text" id="email" placeholder="Email Address">
<input type="button" class="add-row" value="Add Row">
</form>
<table>
<thead>
<tr>
<th>Select</th>
<th>Name</th>
<th>Email</th>
</tr>
</thead>
<tbody>
<tr>
<td><input type="checkbox" name="record"></td>
<td>Peter Parker</td>
<td>peterparker@mail.com</td>
</tr>
</tbody>
</table>
<button type="button" class="delete-row">Delete Row</button>
</body>
</html>

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