javasc

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title></title>
  <script src="https://code.jquery.com/jquery-3.0.0.min.js" type="text/javascript" ></script>
</head>
<body>

<h2>AJAX</h2>
Nama<br />
<input type="text" id="name" name="name" /><br />
Password<br />
<input type="password" id="password" name="password" /><br />
<button type="button"  id="loadings">Request data</button>

<p id="demo"></p>

<script>
$(document).ready(function(){
  $("#loadings").on("click",function(){
    $.ajax({
      url:"http://103.28.119.20:8080/SecurityApi/system/login",
      type:"POST",
      data:btoa($("#name").val() + ":" + $("#password").val() ),
      contentType:"application/json; charset=utf-8",
      dataType:"json",
      success: function(msg){ alert(msg) }
    });

</script>

</body>
</html>