ขอสอบถามเรื่องการ update ข้อมูลหลังจากการแก้ไขข้อมูล แบบ Inline Edit หน่อยค่ะ

 <script type="text/javascript">
      window.onload = function() {
        var elements = getElementsByClassName('editInPlace', '*', document);
        for(var i = 0; i < elements.length; i++) {
          elements[i].ondblclick = function() {
            this.setAttribute('oldText', this.innerHTML); // not actually required. I use this just in case you want to cancel and set the original text back.
            var textBox = document.createElement('INPUT');
              textBox.setAttribute('type', 'text');
              textBox.style.width = "40px";
              textBox.value = this.innerHTML;
              textBox.onblur = function() {
                var newValue = this.value;
                this.parentNode.innerHTML = newValue;
                alert("Your new value: \n\n" + newValue);
              }
 
            this.innerHTML = '';
 
            this.appendChild(textBox);  
          
        }

        (i);
      }
      function getElementsByClassName(className, tag, elm){
      var testClass = new RegExp("(^|\\s)" + className + "(\\s|$)");
      var tag = tag || "*";
      var elm = elm || document;
      var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);
      var returnElements = [];
      var current;
      var length = elements.length;
      for(var i=0; i<length; i++){
        current = elements[i];
        if(testClass.test(current.className)){
          returnElements.push(current);
          
        }
      }
      return returnElements;
    }
 
    </script>

<span class="editInPlace"><?php echo $totalpoint; ?></span>