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.

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.

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":

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:

Dec 24, 2012 · I want to add html code in each of the cases like links,images, etc.. the header tag in the index.html. function showDetails(){ var org = $("#org").attr("value"); var div1 = $("#div1"); switch(org) case "1": div1.html("this is all about organization 1"); break; case "2": div1.html("this is all about organization 2"); break; case "3":

Jan 9, 2016 · Following are a few examples to explain how you can use the switch statement simply and with different HTML elements. A simple example with numbers to explain the switch case. In this example, I simply used a switch statement with three cases and a default case. A numeric variable is assigned a value that is used in the switch expression.

The JavaScript switch statement provides a clear and efficient way to handle multiple possible values for a single expression. Instead of writing many if...else if...else blocks, the switch statement JavaScript syntax allows you to match a value against multiple cases and execute different code depending on the result.

Aug 19, 2022 · In JavaScript switch statement allows us to make a decision from the number of choices. If a match is found to a case label, the program executes the associated statement.

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. The switch statement evaluates an expression and executes code as a result of a matching case.