Kaha,
<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script>
$(function() {
function set_div(div_name, msg) {
var div = document.createElement("div");
div.className = "alert alert-" + div_name;
div.innerHTML = "<strong>" + msg;
return div;
}
var this_div = set_div("danger", "Пароли не совпадают!");
$("#result_send_login").append(this_div);
setTimeout(function() {
$(this_div).remove();
// $("#result_send_login").empty()
}, 1000);
});
</script>
</head>
<body>
<div id = "result_send_login"></div>
</body>
</html>