gistfile1.js

var myClass = {
  myMethod: function () {
    console.log('foo');
  }
};

// These are all equivalent in JS
myClass.myMethod()
myClass['myMethod']()

gistfile2.rb

class MyClass
  def self.my_method
    puts 'foo'
  end
  
  # If you want to get fancy
  def self.[](m)
    self.send(m)
  end
end

# These are all equivalent for this class
MyClass.my_method
MyClass.send(:my_method) # Literally sends this message to the class
MyClass[:my_method] # Because we defined the [] method for our class