function delete_from_matrix (matrix, string_number, column_number) {
var temp = new Array();
temp = matrix.slice(0,string_number).concat(matrix.slice(string_number+1));
for (i =0; i < temp.length; i++){
temp[i].splice(column_number, 1);
};
return temp;
};
Temp = delete_from_matrix (A,2,2);
0: Array [ "11", "12" ]
1: Array [ "21", "22" ]
0: Array [ "11", "12" ]
1: Array [ "21", "22" ]
2: Array(3) [ "31", "32", "33" ]
C:\OSPanel\domains\test.ru