... the code that the 'else' part corresponds to. Case statements make code efficient and look less messy. In addition to returning the specified value the return statement also acts as an instruction to exit from the function at that point. Live Demo Visit our Reserved Words reference to view a full list of JavaScript keywords . Here is a list of some of the keywords you will learn about in this tutorial: It then looks for the first case clause whose expression evaluates to the same value as the result of the input expression (using the strict comparison, ===) and transfers control to that clause, executing the associated statements. The function will return the value in the switch statement and the code after the switch statement will not be executed. Is it a typo or does Javascript actually work that way (I'm not a Javascript pro, but C++, Java and C# would skip the second return, C# would actually show a compile-time warning): In JavaScript we have the following conditional statements: Use if to specify a block of code to be executed, if a specified condition is true Use else to specify a block of code to … Home » Blog » Web Design & Development » JavaScript AND OR in IF Statement to Check For Multiple Conditions Absolute Beginner ← JavaScript If Else Statements for Absolute Beginners Lesson # 12 Categories: Web Design & Development The question is whether a method may have multiple return statements or always just one. Complete Boolean Reference For a complete reference, go to our Complete JavaScript Boolean Reference . In a function where there are multiple returns, what is the best style to use? Yes, just a return statement and that’s it. It’s something you probably don’t even think about when you have to do it. I'm trying to make sense of the multiple return statements in the code? Sometimes we have to check even further when the condition is TRUE. The JavaScript switch statement can contain return statements if it is present inside a function. A switch statement first evaluates its expression. The answer may surprise you: In a pure object-oriented world, a method must have a single return statement and nothing else. A Better Way to Perform Multiple Comparisons in JavaScript Having to compare a value with a bunch of other values is a common, even trivial task for a developer. Comparing two JavaScript objects will always return false. return x / y + 27; You can include multiple return statements into your function each of which returns a different value. Case statements are very useful in JavaScript where testing of multiple large numbers of conditions is required. Case statements are alternative to multiple if-else statements. JavaScript statements often start with a keyword to identify the JavaScript action to be performed. Multiple return statements make it easier to understand a long function, because once you hit one you know the rest of the function doesn't matter for the branch you took. No other operators or statements. In this situation, we can use JavaScript Nested IF statement, but be careful while using it. Following is the code to have return statements in JavaScript switch statement − Example. The JavaScript Else Statement allows us to print different statements depending upon the expression result (TRUE, FALSE). Value the return statement also acts as an instruction to exit from the function will the. Careful while using it live Demo the JavaScript switch statement will not be executed the 'else ' corresponds. 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