2016 10 29 12 50

<!DOCTYPE html>
<html>
<body>

<h1>The XMLHttpRequest Object</h1>

<button type="button" onclick="loadDoc()">Request data</button>

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

<script>
function loadDoc() {
  var xhttp = new XMLHttpRequest();
  xhttp.onreadystatechange = function() {
    if (this.readyState == 4 && this.status == 200) {
      var respon = this.responseText;
      var data = JSON.parse(respon);

      // ambil data2 nya melalui variabel data
      // ...

    }
  };
  xhttp.open("POST", "file_php_tujuan.php", true);
  xhttp.send("username=myusername&password=89237j4tr2834yrdj2");
}
</script>

</body>
</html>