The Modern JavaScript Bootcamp (2019) - Build an Expense Tracker

The video tutorial guides viewers through implementing three functions in a JavaScript expense manager: add income, reset account, and get account summary. It provides a challenge to apply learned concepts, outlines the purpose of each function, and demonstrates their usage in a script. The tutorial emphasizes testing and debugging to ensure functionality, preparing viewers for more advanced JavaScript projects.

What is the primary purpose of the 'add income' function in the expense manager?

• To subtract expenses from the account

• To print a summary of the account

• To add a specified amount of income to the account

• To reset the account balance to zero

Which argument is NOT required by the 'reset account' function?

• The amount of income to add

• The account to reset

• The static value to set expenses

• The static value to set income

What does the 'get account summary' function return?

• A list of all transactions

• A string summarizing the account's balance, income, and expenses

• The total income added to the account

• The total expenses deducted from the account

What happens when the 'reset account' function is called?

• The account's name is changed

• The account's balance is doubled

• The account's income and expenses are set to zero

• The account's transactions are listed

Why is it important to test the functions after implementing them?

• To verify that the functions work as expected

• To ensure the code is formatted correctly

• To check if the functions are named correctly

• To confirm the functions are documented

In the demonstration, what is the first step after adding income to the account?

• Resetting the account

• Adding an expense

• Deleting the account

• Getting the account summary

What is the final step in the demonstration of using the functions?

• Adding more income

• Resetting the account

• Printing the account summary again

• Adding another expense