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.

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 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.

Apr 25, 2022 · Write the code using if..else which would correspond to the following switch: switch (browser) { case 'Edge': alert( "You've got the Edge!" ); break; case 'Chrome': case 'Firefox': case 'Safari': case 'Opera': alert( 'Okay we support these browsers too' ); break; default: alert( 'We hope that this page looks ok!' ); }

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.

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;

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.

Switch statements are like having a traffic controller that knows exactly what to do with each type of input. At its core, a switch statement allows you to compare a single value against multiple possible outcomes (or “cases” as we call it) and execute code based on which case matches.