title: Expected an identifier and instead saw ')'
body: <p>I receive this error, </p>
  
  <pre><code> Expected an identifier and instead saw ')'.
  </code></pre>
  
  <p>in this lines of code. Any how to fix it?</p>
  
  <pre><code>   for (; index &lt; nPageFullItemCnt; index++) {
          strIndex = "0" + index;
          keyIndex = "popup_item_" + strIndex.substr(strIndex.length - 2, 2);
          keyItem = document.getElementById(keyIndex);
  
          setPopupKeyText(keyIndex, " ");
  
          keyItem.className = "popupLangItemNone";
          keyItem.langId = "";
      }
  </code></pre>