how to make html with jquery

1<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>

1this.$fixture = $([
2  "<div>",
3  "  <div class='js-alert-box'></div>",
4  "  <form id='my-form-to-validate'>",
5  "    <input id='login-username' name='login-username'>",
6  "  </form>",
7  "</div>"
8].join("\n"));
9