May 7, 2025 · return is used to send a value back to where's it's called from. You use it if you want to return a value. If you don't have a return statement, it's the same as return undefined. console.log returns undefined, so return console.log(text) returns undefined. So, only return if you want to get a value from the function.

Mar 13, 2025 · When a return statement is used in a function body, the execution of the function is stopped. The return statement has different effects when placed in different functions: In a plain function, the call to that function evaluates to the return value.

The return statement stops the execution of a function and returns a value. Read our JavaScript Tutorial to learn all you need to know about functions. Start with the introduction chapter about JavaScript Functions and JavaScript Scope. For more detailed information, see our Function Section on Function Definitions, Parameters, Invocation and ...

Feb 17, 2025 · In JavaScript, the return statement is used to specify the value that a function should produce when it is called. It helps in controlling the flow of execution and provides meaningful outputs from functions. Understanding how return works is important for writing efficient and reusable code. What is the return statement?

Apr 21, 2018 · Is it necessary to specify ‘return’ if certain conditions are not met? For example: if (gameInProgress === false) { ..do some stuff. } else { return; Is it good practice to have the else statement or can this be excluded?

Jan 21, 2020 · When a return statement is called in a function, the execution of this function is stopped. If specified, a given value is returned to the function caller. If the expression is omitted, undefined is returned instead. Functions can return: Never return something on a new line without using parentheses.

Mar 31, 2021 · In short, the return statement will always stop any execution in the current JavaScript context, and return control to the higher context. When you use return inside of a function, the function will stop running and give back control to the caller.

Aug 5, 2017 · Today’s topic: return — when to use it and what it does. If you’re a new developer, it’s important you understand the role of the return statement in JavaScript. Note: If you’re using Google Chrome, open up your developer console so you can type the examples in and code along. [WINDOWS]: Ctrl + Shift + J [MAC]: Cmd + Opt + J.

Functions in JavaScript don't always need a return statement; it's used when a function must send a result back. A return statement ends the function's execution and provides the calling context with a value.

Aug 25, 2011 · Basically, if you want the function to have a conclusion or final value, then you have a return in it.