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.

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.

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.

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:

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 …

Oct 3, 2024 · The switch statement is a powerful tool in JavaScript for handling multiple conditions. It is particularly useful when you have a variable that can take on a discrete set of values. The use of case, break, and default statements allows for flexible and readable code.

The switch statement in JavaScript provides a more concise way to execute different blocks of code based on different values of a single expression. It’s like a multi-way if…else. 2. Syntax. // Code to be executed if expression === value1. // Code to be executed if expression === value2. // Code to be executed if expression === value3.

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.

Apr 22, 2024 · In this comprehensive guide, we‘ll dive deep into the world of switch statements, exploring their syntax, use cases, best practices, and advanced techniques. Let‘s start by examining the basic syntax of a switch statement: case value1: // code to execute if expression === value1. break; case value2: // code to execute if expression === value2 .