Use the switch statement to select one of many code blocks to be executed. This is how it works: 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. If there is no match, the default code block is executed.

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. let message = "" switch (trafficLight) { case "red": message = "Stop immediately."; break; case "yellow":

Nov 21, 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.

Summary: in this tutorial, you will learn how to use the JavaScript switch statement to execute a block of code based on multiple conditions. The switch statement evaluates an expression, compares its results with case values, and executes the …

Apr 25, 2022 · 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 looks like this:

Aug 26, 2021 · In this tutorial, we will learn how to use the switch statement, as well as how to use the related keywords case, break, and default. Finally, we’ll go through how to use multiple cases in a switch statement. Switch. The switch statement evaluates an expression and executes code as a result of a matching case.

Apr 9, 2021 · To summarize, here's how a switch statement works: First, you need an expression that you want to compare with some conditionals. Finally, write the code that you want to execute inside each case, followed by the break keyword to stop JavaScript from further comparing the expression with the case clauses.

Jan 26, 2025 · In this JavaScript tutorial, we'll explore all the facets of Switch Statements in JavaScript, including syntax, examples, flowchart of switch statement, nested switch case, if...else vs. switch statement in JavaScript, etc.

Jan 8, 2025 · In this article, we’ll explore the basics of the JavaScript switch case statement and provide step-by-step examples to help you master it. The basic syntax of the JavaScript switch case statement is as follows: case value1: // code to execute if expression equals value1. break; case value2: // code to execute if expression equals value2. break;

Learn how to use the Switch Case statement in JavaScript to simplify complex conditional statements.