javascript - What is the purpose of analyzing this code?-PHP Chinese Network Q&A

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javascript - What is the purpose of analyzing this code?

ringa_lee 2017-05-19 10:07:29

315

((y) => 
  (f => f(100))
    (y(self => 
      n => n < 0 ? 0 : n + self(n-1))))
  (g => 
    (f=>f(f))(
        self => 
            g( (...args)=>self(self)(...args) ) 
    ))

ringa_lee

reply all(1)

阿神2017-05-19 10:09:29 1 floor

I didn’t look carefully. To be honest, I feel that there are too many arrow functions nested, which affects the readability. Of course, it may be because of my low level

At a casual glance, it should be using recursion to simulate a loop. . If you think I'm wrong, boss. . Please point it out and I will change it