index 3

<!DOCTYPE html>
 <html>
 <head>
   <title>Pendaftaran Siswa Baru|| SMAN 1 Tanjung</title>
   <script>
      function showsiswa() {
        if (window.XMLHttpRequest) {
          xhttp = new XMLHttpRequest();
        }
        xhttp.onreadystatechange = function() {
          if (this.readyState == 4 && this.status == 200){
            document.getElementById("demo").innerHTML = this.responseText;
          }
        };
        xhttp.open("GET", "list-siswa.php", true);
        xhttp.send();
      }
      function daftar() {
        if (window.XMLHttpRequest) {
          xhttp = new XMLHttpRequest();
        }
        xhttp.onreadystatechange = function() {
          if (this.readyState == 4 && this.status == 200){
            document.getElementById("demo").innerHTML = this.responseText;
          }
        };
        xhttp.open("GET", "form-daftar.php", true);
        xhttp.send();
      }
      function edit() {
        if (window.XMLHttpRequest) {
          xhttp = new XMLHttpRequest();
        }
        xhttp.onreadystatechange = function() {
          if (this.readyState == 4 && this.status == 200){
            document.getElementById("demo").innerHTML = this.responseText;
          }
        };
        xhttp.open("GET", "form-edit.php", true);
        xhttp.send();
      }
    </script>
  </head>
  <body>
    <header>
      <h3>Pendaftaran Siswa Baru</h3>
      <h1>SMAN 1 Tanjung</h1>
    </header>
    <h4>Menu</h4>
    <p><button type="button" onclick="showsiswa()">Pendaftar</button></p>
    <p><button type="button" onclick="daftar()">Daftar Baru</button></p>
    <div id="demo"></div>
  </body>
</html>