It is necessary to add html true , false by default
swal({ title: "Are you sure?", text: "text <a href='#'>Link</a>", html: true, confirmButtonColor: "#00f", confirmButtonText: "Button" });
Example
swal({ title: "Are you sure?", text: "text <a href='#'>Link</a>", html: true, confirmButtonColor: "#00f", confirmButtonText: "Button" });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/sweetalert/1.1.3/sweetalert.min.js"></script> <link href="https://cdnjs.cloudflare.com/ajax/libs/sweetalert/1.1.3/sweetalert.min.css" rel="stylesheet"/>