Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

JavaScript JavaScript Functions Arrow Functions Create an Arrow Function

Posted by Khatia Bagaturia
Khatia Bagaturia
2,050 Points

Hi Guys ! I am trying to convert Greet Function to Arrow Function . Looks like I ' am doing alright but it does notwor

script.js 
  function greet =  (val) => {
  return `Hi, ${val}!`;

}

 greet ('cool coders');

1 Answer

Steven Parker
Steven Parker
231,275 Points
Steven Parker
Steven Parker
231,275 Points

You won't use the word "function" when creating an arrow function. You assign the expression to an ordinary variable:

const greet = val => {
  return `Hi, ${val}!`;
}

console.log( greet('cool coders') );

And the parentheses around the argument can be omitted when there is only one.