Follow these steps:

Create a basic HTML file.

Make use of session storage to store the values.

Create an income object where you can put in the following information as

attributes:

Name, as a string $($e$.$g$.,$ Salary$)$

The amount, as a number $($e$.$g$.,4000)$

Whether or not it is recurring, as a boolean

Create five different objects to represent income from different places.

Create an expenses object where you can put in the following information

as attributes:

Name, as a string $($e$.$g$.,$ Groceries$)$

The amount, as a number $($e$.$g$.,350)$

Whether or not it is recurring, as a boolean

Create five different objects to represent different expenses.

Using a prompt box, display the income items and let the user add another

entry.

Using a prompt box, display the expense items and let the user add

another entry.

Display the total amount of disposable income $($income minus expenses$)$

Using a prompt box, ask the user how much disposable income they would

like to put into savings.

Finally, create an alert to display the total disposable income left.