javascript array add

1some_array = ["John", "Sally"];
2some_array.push("Mike");
3
4console.log(some_array); //output will be =>
5["John", "Sally", "Mike"]

1array.push(element)

1const array1 = ['a', 'b', 'c'];
2const array2 = ['d', 'e', 'f'];
3const array3 = array1.concat(array2);

1array = ["hello"]
2array.push("world");
3
4console.log(array);
5//output =>
6["hello", "world"]

1var fruits = ["222", "vvvv", "eee", "eeee"];
2
3fruits.push("Kiwi"); 

1array = ["hello"]
2array.push("world");