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The JavaScript Switch Statement. Use the switch statement to select one of many code blocks to be executed. Syntax
Nov 12, 2023 · 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 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.
Use switch to select one of many blocks of code to be executed. This is the perfect solution for long, nested if/else statements. The switch statement evaluates an expression. The value of the expression is then compared with the values of each case in the structure.
May 30, 2024 · In JavaScript, a switch statement is a control flow statement that evaluates an expression and executes code based on matching cases. It provides a more concise and readable way to handle multiple possible conditions compared to nested if...else statements. Syntax:switch (expression) { case value1: // code block to be executed if expression matches
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 ;
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:
The switch keyword is used to start the switch statement. The expression is the variable that we want to check. The case keyword is used to start a new case block (if the expression of the switch is equal to the case expression, then execute the code inside the block).
Jun 20, 2017 · The switch statement evaluates an expression, matching the expression's value to a case clause, and executes statements associated with that case.
JavaScript switch The switch is a conditional statement like if statement. Switch is useful when you want to execute one of the multiple code blocks based on the return value of a specified expression.
