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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.
The CASE is just a "switch" to return a value - not to execute a whole code block. You need to change your code to something like this: SELECT @selectoneCount = CASE @Temp WHEN 1 THEN @selectoneCount + 1 WHEN 2 THEN @selectoneCount + 1 END
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.
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.
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;
The switch statement is a more flexible version of the if-else statement because it allows the programmer to execute different blocks of code depending on the value of a variable. Let's first look at a simple example of the switch statement and then we will its syntax and how to use it.
The SQL CASE Expression. The CASE expression goes through conditions and returns a value when the first condition is met (like an if-then-else statement). So, once a condition is true, it will stop reading and return the result. If no conditions are true, it returns the value in the ELSE clause.