FAQ: Conditional Statements - The switch keyword


This community-built FAQ covers the “The switch keyword” exercise from the lesson “Conditional Statements”.

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This exercise can be found in the following Codecademy content:

Web Development

Introduction To JavaScript

FAQs on the exercise The switch keyword

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A post was split to a new topic: Why we have to use “break” after default


The last break; at the end of the whole block is necessary? If so, why? There’s no more cases incoming.



You are correct in that assessment. The author wrote it into the SCT so we have no choice but to humor them. Technically, there is no break in the default case since it is the last expression in the switch statement.


I guess, that was a joke :slight_smile: :

Remember to add the break keyword at the end of the default case.

But apart from that, there was a confusing line in the explanation part:

Without the break keyword at the end of each case, the program would execute the code for all matching cases and the default code as well.

Why matching? Wouldn’t it just run till the next break or to the end of the block, if no breaks are met on the way, no matter if case is matched or not?


When a case action does not include return, the switch is still being parsed for other possible matches. Even if none are found, the default case will execute, on top of whatever action was carried out on the first match. break directs control flow to the next statement AFTER the switch body.

Recall that case must match the given switch expression in order for control flow to enter that branch. Only in cases where we wish to include the default case in all instances would we omit the break on each case branch, which is highly unusual.


What are some real-life scenarios where one might want their program to execute multiple cases in one switch code block?