javascript write to text file – how to write text to text file in javascript?

javascript write to text file – i am going to create a file and write text into it using JavaScript. Use the blob.text() Function to Read Text Files in JavaScript.

javascript write to text file

A JavaScript function that fire on the button click event. I’ll show you how to do that in a couple minutes! To create a text file from javascript, we’ll need to use Blob object.

Example

function WriteToFile(passForm) {
 
    set fname = CreateObject("Scripting.FileSystemObject"); 
    set solution   = fname.CreateTextFile("<your Path>/pakainfo.txt", True);
 
    var MemberUserName = document.getElementById('MemberUserName');
    var memberSirname  = document.getElementById('memberSirname');
 
    solution.writeline("Member User Name :" + MemberUserName);
    solution.writeline("Member Sir Name :" + memberSirname);
 
    solution.writeline("-----------------------------");
    solution.Close();
 }

// HTML Source Code
<form onSubmit="WriteToFile(this)">
<label>Type your Member name:</label>
<input type="text" name="MemberUserName" id="MemberUserName" size="20">
 
<label>Type your Member sir name: </abel>
<input type="text" name="memberSirname" id="memberSirname" size="20">
 
<input type="submit" value="submit">
</form>

javascript write to file

first of all Requiring fs module in which writeFile function is defined. and Data which will write in a file and // Write data in ‘Results.txt’.

<script> 
 
const fs = require('fs') 
  
let data = "Welcome To Pakainfo.com free download source code."
fs.writeFile('Results.txt', data, (err) => { 
    // In case of a error throw err. 
    if (err) throw err; 
}) 
</script> 

write to file

var mainExFlData = "c:/product.txt";
var flName = new File(mainExFlData);
var userString = "Welcome To Pakainfo.com";

flName.open("w"); // open file with write access
flName.writeln("First line of text");
flName.writeln("Second line of text " + userString);
flName.write(userString);
flName.close();

read from file

var mainExFlData = "c:/product.txt"
var flName = new File(mainExFlData);

flName.open("r"); // open file with read access
var userString = "";
while (!flName.eof) {
	// read each line of text
	userString += flName.readln() + "\n";
}
flName.close();
alert(userString);

writeTextFile write data to file on hard drive

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function writeTextFile(filepath, output) {
	var mainExFlData = new File(filepath);
	mainExFlData.open("w"); //
	mainExFlData.writeln(output);
	mainExFlData.close();
}

readTextFile read data from file

function readTextFile(filepath) {
	var userString = "";
	var mainExFlData = new File(filepath);
	mainExFlData.open("r");
	while (!mainExFlData.eof) {
		// read each line of text
		userString += mainExFlData.readln() + "\n";
	}
	return userString;
}

JavaScript write to text file

<html>
<h2>Create Text file in JavaScript</h2>
<script>
function createFile(){
var object = new ActiveXObject("Scripting.FileSystemObject");
var file = object.CreateTextFile("C:\\Welcome.txt", false);
file.WriteLine('Welcome To Pakainfo');
file.WriteLine('Free Download Source code for Pakainfo,com'); 
file.Close();
}
</script>
<input type="Button" value="Make File" onClick='createFile()'>
</html>

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read-write-file.js

var mainExFlData = "c:/product.txt";
var flName = new File(mainExFlData);
var product_desc = "My string of text";

flName.open("w"); 
flName.writeln("First line of text");
flName.writeln("Second line of text " + product_desc);
flName.write(product_desc);
flName.close();

var mainExFlData = "c:/product.txt"
var flName = new File(mainExFlData);

flName.open("r"); // open file with read access
var product_desc = "";
while (!flName.eof) {
	product_desc += flName.readln() + "\n";
}
flName.close();
alert(product_desc);


function writeTextFile(filepath, output) {
	var mainExFlData = new File(filepath);
	mainExFlData.open("w"); //
	mainExFlData.writeln(output);
	mainExFlData.close();
}


function readTextFile(filepath) {
	var product_desc = "";
	var mainExFlData = new File(filepath);
	mainExFlData.open("r");
	while (!mainExFlData.eof) {
		// read each line of text
		product_desc += mainExFlData.readln() + "\n";
	}
	return product_desc;
}

JavaScript Read and Write to Text File

readFile(Path, Options, Callback)

writeFile:

writeFile(Path, Data, Callback)

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