Intelligent Society-The Splice

1.

    <script>        /*splice (start,len) deletes several items from that position */            var arr = [1,2,3,4,5,6];            var removed = Arr.splice (2,3);            Alert (arr);//[1,2,6]//Remove 3            alert (removed)//[3,4,5]        /*splice (Start,len,...)  from the position subscript 2 When Len is 0, insert */            var arr2 = [1,2,3,4,5];            var removed  = Arr2.splice (2,0, "a", "B", "C");//Remove 0 from the subscript 2 and insert "A", "B", "C"            var removed  = Arr2.splice (2,0,["A", "B", "C"]); Remove 0 from the subscript 2 and insert ["A", "B", "C"]            alert (ARR2),//["A", "B", "C", 3,4,5]            alert (removed = = undefined);//null        /*splice (Start,len,...), when Len is not 0 */            var arr3 = ["Hello", "World", "JS", "Java"];            var removed = Arr3.splice (1,2,[1,2,3,4,5,6]);//Remove 2 elements from the subscript 1 and add the array to            alert (ARR3);//["Hello", "Java", 1,2,3,4,5,6]            alert (removed);//["World", "JS"    </script>

Intelligent Society-The Splice