The return statement is used to return a particular value from the function to the function caller. The function will stop executing when the return statement is called. The return statement should be the last statement in a function because the code after the return statement will be unreachable.
Whenever you’re returning an object, you’re returning a reference to the object. Likewise, when you’re passing an object, you’re passing a reference.
What does => mean in JS?
It’s a new feature that introduced in ES6 and is called arrow function. The left part denotes the input of a function and the right part the output of that function.
What is an illegal return statement?
The “Illegal return statement” error occurs when the return statement is used outside of a function. To solve the error make sure to only use the return statement inside of a named or an arrow function. The statement ends a function’s execution and returns the value to the caller.
What is the return value of putchar ()?
Return Value The putc() and putchar() functions return the character written. A return value of EOF indicates an error.
What is the use of return statement?
A return statement ends the execution of a function, and returns control to the calling function. Execution resumes in the calling function at the point immediately following the call. A return statement can return a value to the calling function.
Logical AND ( && ) evaluates operands from left to right, returning immediately with the value of the first falsy operand it encounters; if all values are truthy, the value of the last operand is returned.
Why function should return a value?
If a function is defined as having a return type of void , it should not return a value. In C++, a function which is defined as having a return type of void , or is a constructor or destructor, must not return a value. If a function is defined as having a return type other than void , it should return a value.
What is the role of return statement?
Definition and Usage. The return statement stops the execution of a function and returns a value from that function.