ajaxtest.html 759 B

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  1. <html>
  2. <script>
  3. function checknames(str) {
  4. if (str.length == 0) {
  5. document.getElementById("namecheck").innerHTML = "";
  6. return;
  7. } else {
  8. var xhttp = new XMLHttpRequest();
  9. xhttp.onreadystatechange = function() {
  10. if (this.readyState == 4 && this.status == 200) {
  11. document.getElementById("namecheck").innerHTML = this.responseText;
  12. }
  13. };
  14. xhttp.open("GET", "namecheck.php?q=" + str, true);
  15. xhttp.send();
  16. }
  17. }
  18. </script>
  19. <body>
  20. <h2>ajaxtest check if name is in file</h2>
  21. <form action="/action_page.php">
  22. <input type="text" id="name" name="name" onblur="checknames(this.value + '@testmail.ch')">
  23. </form>
  24. <div id="namecheck">
  25. not checked
  26. </div>
  27. </body>
  28. </html>