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25 lip 2024 · 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. 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.
25 lip 2024 · A switch statement allows a program to evaluate an expression and attempt to match the expression's value to a case label. If a match is found, the program executes the associated statement. A switch statement looks like this:
17 cze 2013 · As shown by LightStyle, you can list each case explicitly: switch(myInterval){ case 0: case 1: case 2: doStuffWithFirstRange(); break; case 3: case 4: case 5: doStuffWithSecondRange(); break; case 6: case 7: doStuffWithThirdRange(); break; default: doStuffWithAllOthers(); }
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.
14 kwi 2015 · The switch statement evaluates an expression, matching the expression's value to a case clause, and executes statements associated with that case. Syntax. switch (expression) { case value1: //Statements executed when the result of expression matches value1. [break;] case value2: //Statements executed the result of expression matches value2.
22 sie 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.
