<script language="javascript"><!--	/*判斷數組中是否存在某個元素的方法*/	function isExistInArr(_array, _element){		if(!_array || !_element) return false;		if(!_array.length){			return (_array == _element);		}		for(var i=0; i<_array.length; i++){			if(_element == _array[i]) return true;		}		return false;	}	/*去除數組中重復元素的方法*/	function distinct(_array){		if(!_array || !_array.length) return _array;		var newArray = new Array();		for(var i=0; i<_array.length; i++){			var oEl = _array[i];			if(!oEl || this.isExistInArr(newArray, oEl)) continue;			newArray[newArray.length] = oEl;		}		return newArray;	}	var origArr = [1,2,3,4,1,4,1,3];	origArr = distinct(origArr);	alert(origArr);//--></script>