level 2
火花🌞火花
楼主
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title></head><body> <div> <table id="mytableid"> <caption>注册表</caption> <tbody> <tr> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td><button class="del">删除</button></td> </tr> <tr> <td>1</td> <td>1</td> <td>1</td> <td>1</td> <td><button class="del">删除</button></td> </tr> </tbody> </table> </div> <button class="add">新增</button></body></html><script> var tbody = document.querySelector('tbody') var dels = document.querySelectorAll('.del') var add = document.querySelector('.add')
add.onclick= function() { var tr = document.createElement('tr') tr.innerHTML = '<td>新增</td><td>新增</td><td>新增</td><td>新增</td><td><button class="del">删除</button></td>' tbody.appendChild(tr) var dels = document.querySelectorAll('.del') for (var i = 0; i < dels.length; i++) { dels[i].onclick = function() { tbody.removeChild(this.parentNode.parentNode) } }
}
for (var i = 0; i < dels.length; i++) { dels[i].onclick = function() { tbody.removeChild(this.parentNode.parentNode) } }</script><style> div{ width: 500px; } #mytableid{ border: 1px solid #6600ff; text-align: center; } tr td{ width: 100px; text-align:center; border: 1px solid #000; } h1{ text-align: center; }</style>
2020年05月31日 03点05分
1
add.onclick= function() { var tr = document.createElement('tr') tr.innerHTML = '<td>新增</td><td>新增</td><td>新增</td><td>新增</td><td><button class="del">删除</button></td>' tbody.appendChild(tr) var dels = document.querySelectorAll('.del') for (var i = 0; i < dels.length; i++) { dels[i].onclick = function() { tbody.removeChild(this.parentNode.parentNode) } }
}
for (var i = 0; i < dels.length; i++) { dels[i].onclick = function() { tbody.removeChild(this.parentNode.parentNode) } }</script><style> div{ width: 500px; } #mytableid{ border: 1px solid #6600ff; text-align: center; } tr td{ width: 100px; text-align:center; border: 1px solid #000; } h1{ text-align: center; }</style>