How to append to a file in Node?
// Asynchronously:
const fs = require('fs');
fs.appendFile('message.txt', 'data to append', function (err) {
if (err) throw err;
console.log('Saved!');
});
// Synchronously:
const fs = require('fs');
fs.appendFileSync('message.txt', 'data to append');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)
}Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
