經過回調函數實現異步

/** * Created by admin on 2017/10/27. */ //ctrl+c退出執行結果 //回調函數，nodejs依託於回調函數來實現異步編程 //阻塞代碼 console.log("阻塞代碼實例！"); var fs = require("fs"); var data = fs.readFileSync('input.txt'); console.log(data.toS

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