Splice () method of arrays in JS

In the array, the Splice method has the function of increasing, deleting, and the utility.

varList = []; List.push (1); List.push (2); List.push (3); Console.log (list); //[1, 2, 3]                //DeleteList.splice (0,1);//Delete, starting with subscript 0, length 1Console.log (list);//[2,3]List.splice (0,2);//Delete, starting with subscript 0, length 2Console.log (list);// []                //ReplaceList.splice (0,1,4);//Replace, starting with subscript 0, 1-length array element replaced by 4Console.log (list);//[4,2,3]List.splice (0,2,4);//Replace, starting with the subscript 0, the array element with length 2 is replaced with 4 (that is, the 4,2 is replaced with a whole of 4)Console.log (list);//[4,3]                //AddList.splice (1,0,5);//indicates that an item is added at Subscript 1 5Console.log (list);//[1,5,2,3]

Splice () method of arrays in JS