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The answer may surprise you: In a pure object-oriented world, a method must have a single return statement and nothing else. It’s something you probably don’t even think about when you have to do it. JavaScript statements often start with a keyword to identify the JavaScript action to be performed. Visit our Reserved Words reference to view a full list of JavaScript keywords . The JavaScript switch statement can contain return statements if it is present inside a function. Following is the code to have return statements in JavaScript switch statement − Example. 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. The question is whether a method may have multiple return statements or always just one. ... the code that the 'else' part corresponds to. Yes, just a return statement and that’s it. Case statements are alternative to multiple if-else statements. Here is a list of some of the keywords you will learn about in this tutorial: In addition to returning the specified value the return statement also acts as an instruction to exit from the function at that point. Complete Boolean Reference For a complete reference, go to our Complete JavaScript Boolean Reference . 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): 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. Case statements are very useful in JavaScript where testing of multiple large numbers of conditions is required. In a function where there are multiple returns, what is the best style to use? Comparing two JavaScript objects will always return false. Sometimes we have to check even further when the condition is TRUE. Case statements make code efficient and look less messy. Live Demo The function will return the value in the switch statement and the code after the switch statement will not be executed. No other operators or statements. A switch statement first evaluates its expression. return x / y + 27; You can include multiple return statements into your function each of which returns a different value. 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 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. I'm trying to make sense of the multiple return statements in the code? In this situation, we can use JavaScript Nested IF statement, but be careful while using it. The JavaScript Else Statement allows us to print different statements depending upon the expression result (TRUE, FALSE). Identify the JavaScript Else statement allows us to print different statements depending upon the expression result TRUE! 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