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shuffleArray(arr)

Randomizes all elements inside an array arr and returns the shuffled array.

Example:

If you have data like this:

let superheroes = [
  {Name: "Steppenwolf", Alignment: "bad", Gender: "Male", Height: 183, Weight: 91},
  {Name: "Storm", Alignment: "good", Gender: "Female", Height: 180, Weight: 57},
  {Name: "Sunspot", Alignment: "good", Gender: "Male", Height: 173, Weight: 77},
  {Name: "Superboy", Alignment: "good", Gender: "Male", Height: 170, Weight: 68},
  {Name: "Superboy-Prime", Alignment: "bad", Gender: "Male", Height: 180, Weight: 77},
  {Name: "Supergirl", Alignment: "good", Gender: "Female", Height: 165, Weight: 54},
  {Name: "Superman", Alignment: "good", Gender: "Male", Height: 191, Weight: 101}
]

This will shuffle and return superheroes:

let shuffledHeroes = gmynd.shuffleArray(superheroes);

This is one of many possible results:

[
  {Name: "Superman", Alignment: "good", Gender: "Male", Height: 191, Weight: 101},
  {Name: "Supergirl", Alignment: "good", Gender: "Female", Height: 165, Weight: 54},
  {Name: "Superboy-Prime", Alignment: "bad", Gender: "Male", Height: 180, Weight: 77},
  {Name: "Steppenwolf", Alignment: "bad", Gender: "Male", Height: 183, Weight: 91},
  {Name: "Sunspot", Alignment: "good", Gender: "Male", Height: 173, Weight: 77},
  {Name: "Superboy", Alignment: "good", Gender: "Male", Height: 170, Weight: 68},
  {Name: "Storm", Alignment: "good", Gender: "Female", Height: 180, Weight: 57}
]

Credits: CoolAJ86 et al.