adding values to an array javascript code example

Example 1: array.push

var vegetables = ['Capsicum',' Carrot','Cucumber','Onion'];
vegetables.push('Okra');
//expected output ['Capsicum',' Carrot','Cucumber','Onion','Okra']; 
// .push adds a thing at the last of an array

Example 2: how to append objects to javascript lists ?

var studentList = ['Jason', 'Samantha', 'Alice', 'Joseph'];

//Add a new student to the end of the student list
studentList.push('Jacob');
//list is updated to ['Jason', 'Samantha', 'Alice', 'Joseph', 'Jacob'];