put element in array on certain index code example
Example 1: javascript push in specific index
arr.splice(index, 0, item);
//explanation:
inserts "item" at the specified "index",
deleting 0 other items before it
Example 2: insert into array js
// for me lol... pls don't delete!
// use splice to insert element
// arr.splice(index, numItemsToDelete, item);
var list = ["hello", "world"];
list.splice( 1, 0, "bye");
//result
["hello", "bye", "world"]