const fs = require('fs'); //asynchronous functions //read files //first argument: location of the file //function fs.readFile('./docs/blog1.txt', (err,data) => { if (err) { console.log(err); } console.log(data.toString()); }); // write files // first argument: location and name of the file // second argument: content // third argument: callback function (after finishing writing) fs.writeFile('./..