如何设置样本自定义确认对话框（模态）

I have this code

我有这个代码

<div class="line"><a href="/go.html?url=" class="del">x</a></div>
<div class="line"><a href="/go.html?url=" class="del">x</a></div>
<div class="line"><a href="/go.html?url=" class="del">x</a></div>
<div class="line"><a href="/go.html?url=" class="del">x</a></div>
<div class="line"><a href="/go.html?url=" class="del">x</a></div>
<div class="line"><a href="/go.html?url=" class="del">x</a></div>
<div class="line"><a href="/go.html?url=" class="del">x</a></div>
<div class="line"><a href="/go.html?url=" class="del">x</a></div>
<div class="line"><a href="/go.html?url=" class="del">x</a></div>
<div class="line"><a href="/go.html?url=" class="del">x</a></div>
<div class="line"><