问如何使用“Twit”库从列表中选择随机单词

EN

console.log("Starting Bot");

var Twit = require('twit');

var config = require('./config');
var T = new Twit(config);

tweetBot();

function tweetBot() {

    var r = Math.floor(Math.random() * 100)

    var tweet= {
      status: 'This is a test ' + r
    }

    T.post('statuses/update', tweet, tweeted);

    function tweeted(err, data, response) {
      if (err) {
        console.log("Something went wrong!");
      } else {
      console.log("It worked!");
      }
   }
}

function random_word() {

  var word = [
   'tree',
   'fish',
   'apple',
   'cat'
  ];
  return word[Math.floor(Math.random() * word.length)];
}