file handling in javascript code example

Example 1: javascript write to file

<script> 
// Requiring fs module in which 
// writeFile function is defined. 
const fs = require('fs') 
  
// Data which will write in a file. 
let data = "Learning how to write in a file."
  
// Write data in 'Output.txt' . 
fs.writeFile('Output.txt', data, (err) => { 
      
    // In case of a error throw err. 
    if (err) throw err; 
}) 
</script>

Example 2: file handling using javascript

var fs = require('fs');
fs.writeFile('new_file.txt', 'Hello content!', function (err) {
if (err) throw err;
console.log('Saved!');
});