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 statement executes different blocks of code based on the value of a given expression. In this tutorial, you will learn about the JavaScript switch statement with the help of examples.

Mar 13, 2025 · 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.

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. Switch Statement Example: Here, we will print the day name on day 3. Day is set to 3.

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 6, 2021 · In programming, a switch statement is a control-flow statement that tests the value of an expression against multiple cases. This is the basic syntax for a switch statement: The computer will go through the switch statement and check …

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

Oct 3, 2024 · The switch statement in JavaScript is a control structure used to execute different code blocks based on the value of an expression. It is a more readable alternative to multiple if…else statements when dealing with multiple conditions.

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;

In JavaScript, the switch statement is a powerful tool for executing different actions based on various conditions, providing a cleaner alternative to multiple if statements. The switch statement evaluates an expression, matching the expression's value to a case clause and executing associated statements.