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The JavaScript Switch Statement. Use the switch statement to select one of many code blocks to be executed. Syntax. switch (expression) { case x: // code block. break; case y: // code block. break; default: // code block. } This is how it works: The switch expression is evaluated once.
Learn how to use the switch statement to select one of many code blocks to be executed in Java. See syntax, examples, break and default keywords, and try it yourself.
Learn how to use the switch statement to execute different blocks of code based on different cases. See examples, syntax, parameter values, and browser support for switch.
The switch keyword selects one of many code blocks to be executed. From the example above, it works like this: The switch expression is evaluated once. The value of the expression is compared with the values of each case. If there is a match, the associated block of code is executed.
The JavaScript Switch Statement. Use the switch statement to select one of many code blocks to be executed. Syntax. switch (expression) { case x: // code block. break; case y: // code block. break; default: // code block. } This is how it works: The switch expression is evaluated once.
Instrukcja switch przyjmuje dowolne wyrażenie, najczęściej jest to po prostu zmienna. Na podstawie wartości zmiennej następuje dopasowanie do konkretnego przypadku (case).
25 lip 2024 · A switch statement first evaluates its expression. It then looks for the first case clause whose expression evaluates to the same value as the result of the input expression (using the strict equality comparison) and transfers control to that clause, executing all statements following that clause.
