What does the 'push' method do in an array?

The 'push' method in JavaScript is specifically designed to add one or more elements to the end of an array. When this method is invoked, it modifies the original array by appending the specified elements and returns the new length of the array. This functionality is essential for dynamically managing arrays, allowing developers to easily update their contents as needed.

For example, if you have an array called fruits that initially contains ['apple', 'banana'] and you perform the operation fruits.push('orange'), the array will then be updated to ['apple', 'banana', 'orange']. This behavior of the 'push' method makes it a fundamental tool for working with arrays in JavaScript, enabling efficient data handling and manipulation.