write files with nodejs

// writefile.js const fs = require('fs'); let lyrics = 'But still I\'m having memories of high speeds when the cops crashed\n' + 'As I laugh, pushin the gas while my Glocks blast\n' + 'We was young and we was dumb but we had heart'; // write to a new file named 2pac.txt fs.writeFile('2pac.txt', lyrics, (err) => { // throws an error, you could also catch it here if (err) throw err; // success case, the file was saved console.log('Lyric saved!'); });

// write_stream.js const fs = require('fs'); let writeStream = fs.createWriteStream('secret.txt'); // write some data with a base64 encoding writeStream.write('aef35ghhjdk74hja83ksnfjk888sfsf', 'base64'); // the finish event is emitted when all data has been flushed from the stream writeStream.on('finish', () => { console.log('wrote all data to file'); }); // close the stream writeStream.end();

// append_file.js const fs = require('fs'); // add a line to a lyric file, using appendFile fs.appendFile('empirestate.txt', '\nRight there up on Broadway', (err) => { if (err) throw err; console.log('The lyrics were updated!'); });

how to write to a file with javascript without nodejs

function convertToJSON() {
  var firstname = document.getElementById('firstname').value;
  var lastname = document.getElementById('lastname').value;
  var email = document.getElementById('email').value;

  var jsonObject = {
    "FirstName": firstname,
    "LastName": lastname,
    "email": email
  }

  document.getElementById('output').value = JSON.stringify(jsonObject)
}

function saveToFile() {
  convertToJSON();
  var jsonObjectAsString = document.getElementById('output').value;

  var blob = new Blob([jsonObjectAsString], {
    //type: 'application/json'
    type: 'octet/stream'
  });
  console.log(blob);

  var anchor = document.createElement('a')
  anchor.download = "user.json";
  anchor.href = window.URL.createObjectURL(blob);
  anchor.innerHTML = "download"
  anchor.click();

  console.log(anchor);

  document.getElementById('output').append(anchor)


}

Posted by: Guest on December-25-2020

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