SyntaxError: invalid arrow-function arguments (parentheses around the arrow-function may help),javascript begginer

Question

I have this error and i dont know what to do enter image description here

and this is the code

enter image description here

Answer 1

Change this:

navLinks.forEach(link, index) => {
   //code
}

To this:

navLinks.forEach((link, index) => {
   //code
})

Answer 2

When there are two parameter and you are using the arrow, you should enclose the parameter in the parenthesis ( ). See your forEach method.