egrueter-dev

function mapForEach(arr, fn) {
  const newArr = [];

  for (let i=0; i < arr.length; i++) {
    newArr.push(
      fn(arr[i])
    );
  };
  return newArr;
}

egrueter-dev

class Mammal  
  def breathe  
    puts "inhale and exhale"  
  end  
end  
  
class Cat < Mammal  
  def speak  
    puts "Meow"  
  end  

egrueter-dev

var myFunction = function [name]([param1[, param2[, ..., paramN]]]) {
   statements
};

egrueter-dev

function fun() {
  console.log("hello world");
}

fun();

fun.greeting = "Hello from property";

console.log(fun.greeting) //=> "Hello from property"