how to add an array to an object in javascript code example

Example 1: how to add objects in array

var a=[], b={};
a.push(b);    
// a[0] === b;

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'];