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JavaScript Concise Arrow Function Syntax

No argument function with a single line doesn't return the console.log() instead of calling it?

*I asked in the title

2 Answers

Steven Parker
Steven Parker
231,198 Points

To call a function, place parentheses after the function name, even if it doesn't require any parameters.

To access the function itself, use the name without the parentheses after it.

macfael
macfael
14,470 Points

I don't think so.

In this case, the function executes its code (the console.log statement) and then, when it's done, it returns undefined. This is because you didn't explicitly defined a return value for it.

For Example:

const sayHello = name => console.log(`Hello, ${name}`);

const returnValue = sayHello("John");
console.log(returnValue);

/* You will see in the console:

    >> Hello, John
    >> undefined 

*/