取得相同標籤的作用

<script language="javascript">  var col = document.getElementsByTagName("a");  var packageArray = new Array();  var classInPackage = new Array();  for(var i=0;i<col.length;i++){    var href = col[i].title;    indexOfIn = href.lastIndexOf("in");    var packageName = href.substr(indexOfIn+3);       //如果包名存在於數組中    if(isIn(packageName,packageArray)!= -1){         classInPackage[isIn(packageName,packageArray)] = classInPackage[isIn(packageName,packageArray)]+1;    }else{//如果不存在           packageArray[packageArray.length] = packageName;     var a = classInPackage[classInPackage.length];     if (isNaN(a)){      a = 0;      }      classInPackage[classInPackage.length] = a+1 ;        }     }  alert(display(packageArray,classInPackage));  function display(packageArray,classInPackage){   var result = "the info is alow";   var total = 0;   for(var i=0;i< packageArray.length;i++){    if (i % 2 ==0){     result = result + "\n" + packageArray[i] +" have class number:=" + classInPackage[i];     }else{     result = result + "\t\t\t" + packageArray[i] +" have class number:=" + classInPackage[i];    }       total += classInPackage[i];   }   return result +"\n total is " + total;   }  function isIn(str,array){   var result = -1;   for(var i=0;i<array.length;i++){    if (str == array[i]){     result = i;     }    }   return result;  }  </script>

把這段腳本放在java的html幫助文檔的allclass_frame.html的</body>之後.可以統計出整個java中各個類包下有多少個類和接口.目前這個並沒有實現類與接口分開統計.