WebThe 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 …
WebNov 12, 2023 · 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.
WebThe 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.";
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JavaScript switch case Statement with Practical Examples
WebThe switch statement evaluates an expression, compares its results with case values, and executes the statement associated with the matching case value. The following illustrates the syntax of the switch statement: switch (expression) {. case value1: statement1; break ; case value2: statement2; break ;
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The "switch" statement - The Modern JavaScript Tutorial
WebJavaScript Fundamentals. April 25, 2022. The "switch" statement. A switch statement can replace multiple if checks. It gives a more descriptive way to compare a value with multiple variants. The syntax. The switch has one or more case blocks and an optional default. It …
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Mastering the JavaScript switch Statement — SitePoint
WebThe JavaScript switch statement is a way to make decisions in your code based on different conditions. It is a more organized and concise alternative to using multiple if-else statements. The...
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The Switch/Case Statement in JavaScript - Mastering JS
WebJan 13, 2020. The switch statement evaluates an expression, and executes a block of code based on which case the expression evaluated to. const hero = 'Batman'; let sidekick; switch (hero) { case 'Batman': sidekick = 'Robin'; break; case 'Aquaman': sidekick = 'Aqualad'; break; case 'Superman': sidekick = 'Jimmy Olsen'; break; default:
WebJun 20, 2017 · 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 when …
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Introduction to JavaScript Switch Cases - freeCodeCamp.org
WebJun 13, 2019 · Basic JavaScript knowledge. Code editor. Web Browser. Your brain :) A switch statement can basically replace multiple if checks in JavaScript. It gives a more descriptive way to compare a value with multiple variants. The Switch Syntax. The switch has one or more case blocks and an optional default case.
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JavaScript Switch Case – JS Switch Statement Example
WebAug 6, 2021 · switch (expression) { case 1: //this code will execute if the case matches the expression break; case 2: //this code will execute if the case matches the expression break; case 3: //this code will execute if the case matches the expression break; default: //this code will execute if none of the cases match the expression break; }