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25 lip 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 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 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.
14 kwi 2015 · The switch statement evaluates an expression, matching the expression's value to a case clause, and executes statements associated with that case. Syntax. switch (expression) { case value1: //Statements executed when the result of expression matches value1. [break;] case value2: //Statements executed the result of expression matches value2.
25 lip 2024 · A switch statement allows a program to evaluate an expression and attempt to match the expression's value to a case label. If a match is found, the program executes the associated statement. A switch statement looks like this:
22 sie 2024 · The JavaScript switch statement evaluates an expression and executes a block of code based on matching cases. It provides an alternative to long if-else chains, improving readability and maintainability, especially when handling multiple conditional branches.
8 sie 2021 · Use the fall-through feature of the switch statement. A matched case will run until a break (or the end of the switch statement) is found, so you could write it like: switch (varName) { case "afshin": case "saeed": case "larry": alert('Hey'); break; default: alert('Default case'); }
