Switch Case Javascript Return Value

Switch statement javascript tutorial.

Switch case javascript return value. The switch case is just for context. If you omit the break keyword the code execution falls through the original case into the next one. Jonathan lonowski aug 23 13 at 1 53. Fall through is a bug prone feature of switch.

It s asking about the use of break after a return. Javascript switch statement. If multiple cases matches a case value the first case is selected. The value of the expression is then compared with the values of each case in the structure.

The break keyword causes the execution to jump out of the switch statement. Case lacks such as dynamic extensibility or the ability to completely replace the. This method lookup version also has lots of great features that switch. They just aren t as often in preference over alternatives.

Also switch blocks aren t universally considered bad practices. Switch statement with return value from a prompt dialog. If the expression does not match any value the. Case it s too easy to forget a break statement and if you use fall through intentionally those forgotten break statements can be very hard to spot.

If no matching cases are found the program continues to the default label. If no default label is found the program continues to the statement s after the switch. The switch statement is often used together with a break or a default keyword or both. User2701974 i think you may have misunderstood the question.