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<!DOCTYPE html> <html> <body> <h1>JavaScript Functions</h1> <h2>Arrow Functions</h2> <p>If you have only one parameter in an Arrow Function, you can skip the parentheses.</p> <p id="demo"></p> <script> let hello = val => "Hello " + val; document.getElementById("demo").innerHTML = hello("Universe!"); </script> </body> </html>
