javascript write to text file

1function WriteToFile(passForm) {
2 
3    set fso = CreateObject("Scripting.FileSystemObject"); 
4    set s   = fso.CreateTextFile("<your Path>/filename.txt", True);
5 
6    var firstName = document.getElementById('FirstName');
7    var lastName  = document.getElementById('lastName');
8 
9    s.writeline("First Name :" + FirstName);
10    s.writeline("Last Name :" + lastName);
11 
12    s.writeline("-----------------------------");
13    s.Close();
14 }
15
16// HTML
17<form onSubmit="WriteToFile(this)">
18<label>Type your first name:</label>
19<input type="text" name="FirstName" id="firstName" size="20">
20 
21<label>Type your last name: </abel>
22<input type="text" name="LastName" id="lastName" size="20">
23 
24<input type="submit" value="submit">
25</form>

1<script> 
2// Requiring fs module in which 
3// writeFile function is defined. 
4const fs = require('fs') 
5  
6// Data which will write in a file. 
7let data = "Learning how to write in a file."
8  
9// Write data in 'Output.txt' . 
10fs.writeFile('Output.txt', data, (err) => { 
11      
12    // In case of a error throw err. 
13    if (err) throw err; 
14}) 
15</script>