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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.
The JavaScript switch...case statement executes different blocks of code based on the value of a given expression. Here's a simple example of the switch...case statement. You can read the rest of the tutorial for more. Example. let trafficLight = "green"; let message = "" switch (trafficLight) { case "red": message = "Stop immediately.";
La declaración switch evalúa una expresión, comparando el valor de esa expresión con una instancia case, y ejecuta declaraciones asociadas a ese case, así como las declaraciones en los case que siguen.
21 de abr. de 2022 · Si las sentencias returnestán presentes en el switch, no necesita una sentencia break. Ejemplo de sentencias switch en JavaScript. En este ejemplo, estamos comparando "oboe"con los casos. "oboe"coincidiría con la cláusula del tercer casee imprimiría en la consola "Toco el oboe".
25 de jul. de 2024 · The switch statement evaluates an expression, matching the expression's value against a series of case clauses, and executes statements after the first case clause with a matching value, until a break statement is encountered.
The switch statement evaluates an expression, compares its result with case values, and execute the statement associated with the matching case. Use the switch statement rather than a complex if...else...if statement to make the code more readable.
The switch statement executes a block of code depending on different cases. The switch statement is a part of JavaScript's "Conditional" Statements, which are used to perform different actions based on different conditions. Use switch to select one of many blocks of code to be executed.
