const fs = require('fs');

​

// Specify the file name and content

const fileName = 'example.txt';

const fileContent = 'This is the content of the file.';

​

// Create the file

fs.writeFile(fileName, fileContent, (err) => {

  if (err) {

    console.error('Error creating the file:', err);

  } else {

    console.log('File created successfully!');

  }

});

const fs = require('fs');

​

fs.writeFile("/tmp/test", "Hey there!", function(err) {

    if(err) {

        return console.log(err);

    }

    console.log("The file was saved!");

}); 

​

// Or

fs.writeFileSync('/tmp/test-sync', 'Hey there!');

var fs = require('fs');

​

fs.open('mynewfile2.txt', 'w', function (err, 

  file) {

  if (err) throw err;

  console.log('Saved!');

});

// Node.js program to demonstrate the

// fs.writeFile() method

// Import the filesystem module

const fs = require('fs');

let data = "This is a file containing a collection of books.";

fs.writeFile("books.txt", data, (err) => {

  if (err)

    console.log(err);

  else {

    console.log("File written successfully\n");

    console.log("The written has the following contents:");

    console.log(fs.readFileSync("books.txt", "utf8"));

  }

});

fs.writeFile( file, data, options, callback )