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  <script language="javascript" type="text/javascript">
        function arrayTest() {
            //ʹÓÃnew Array()
            var array1 = new Array();
            //ʹÓÃ[]²Ù×÷·û
            var array2 = [];
            //´´½¨µÄͬʱ¶¨ÒåÊý×éÖеÄÔªËØ
            //ʹÓÃnew Array()·½Ê½
            var array3 = new Array(1, 2, 3);
            //ʹÓÃ[]²Ù×÷·û
            var array4 = [1, 2, 3];
            //´´½¨¶àάÊý×é
            //ʹÓÃnew Array()·½Ê½
            var array5 = new Array(1, new Array(2, 3), 4);
            //ʹÓÃ[]²Ù×÷·û
            var array6 = [1, [2, 3], 4];
            //ʹÓÃÊý×éµÄϱê²Ù×÷
            //»ñÈ¡Êý×éÖеÄij¸öÔªËصÄÖµ
            alert(array3[1]);
            //ÉèÖÃÊý×éÖÐij¸öϱêµÄÔªËØÖµ
            array4[2] = 111;
            //·ÃÎʶàάÖóÊìÖеÄÔªËØ
       &