Search results
The JavaScript Switch Statement. Use the switch statement to select one of many code blocks to be executed. Syntax. switch (expression) { case x: // code block. break; case y: // code block. break; default: // code block. } This is how it works: The switch expression is evaluated once.
This tutorial covers the switch statement in JavaScript, including its syntax, fall-through behavior, and best practices. Discover how to use switch for cleaner and more organized code when evaluating multiple conditions.
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. Example. let trafficLight = "green"; let message = "" switch (trafficLight) { case "red": message = "Stop immediately.";
8 sie 2024 · It helps you check multiple conditions in a single block of statements. 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.
The switch statement evaluates an expression, compares its results with case values, and executes the statement associated with the matching case value. The following illustrates the syntax of the switch statement: switch (expression) {. case value1: statement1; break; case value2: statement2; break;
8 sie 2021 · Use the fall-through feature of the switch statement. A matched case will run until a break (or the end of the switch statement) is found, so you could write it like: switch (varName) {. case "afshin": case "saeed": case "larry": alert('Hey'); break;
This document discusses the JavaScript switch case statement. It begins with an introduction explaining that a switch statement evaluates an expression and executes the code for the matching case.
