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 …

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":

Aug 8, 2021 · In Javascript to assign multiple cases in a switch, we have to define different case without break inbetween like given below: <script> function checkHere(varName){ switch (varName) { case "saeed": case "larry": case "afshin": alert('Hey'); break; case "ss": alert('ss'); break; default: alert('Default case'); break; } } </script> Please see ...

Apr 9, 2021 · The JavaScript switch keyword is used to create multiple conditional statements, allowing you to execute different code blocks based on different conditions. The code below shows you a switch statement in action:

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":

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:

Feb 6, 2025 · What is the switch Statement? The switch statement evaluates an expression and compares its value against a series of case clauses. If a case matches the expression’s value, …

Apr 10, 2025 · Learn when to use the JavaScript `switch` case and `if-else` statement for better code readability and efficiency. Make the right choice for your next project!