Exercise 138

• Create a new index138.js file
• Define a mutants array with the following values:

Professor X
Cyclops
Iceman
Angel
Magneto
Beast
Phoenix
Logan
Gambit

• Iterate over the mutants array
• Add <3 symbol before the mutant name if the iterated name is one of the following:

Professor X
Logan
Phoenix
Gambit

• Show the original mutant array items as output
• Show the updated mutant array items as output