text: const foo = [5, 3, 10, 0]
  
  // const res = foo.sort()
  const res = foo
  
  console.log(res)
  console.log(foo)
  const res1 = foo.sort( (first, second) => second - first)
  console.log(res1)
  
  const res2 = foo.find( (val, idx) => {console.log(val, idx); return val < 7})
  
  console.log(res2)
  
  