modify arrays code example

Example 1: how to modify an array

let schedule = ['I', 'have', 'a', 'meeting', 'with'];
// adds 3 new elements to the array
schedule.splice(5, 0, 'some', 'clients', 'tommorrow');
console.log(schedule); 
// ["I", "have", "a", "meeting", "with", "some", "clients", "tommorrow"]

Example 2: how to modify an array

let schedule = ['I', 'have', 'a', 'meeting', 'tommorrow'];
// removes 4 first elements and replace them with another
schedule.splice(0, 4, 'we', 'are', 'going', 'to', 'swim');
console.log(schedule); 
// ["we", "are", "going", "to", "swim", "tommorrow"]