How to Read Text File in Javascript Line By Line

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In this tutorial, you will learn how to read text file in JavaScript line by line. If you're new to programming or just starting out with JavaScript, this tutorial is perfect for you. We'll guide you step by step through the process of reading text files and extracting information line by line using simple JavaScript technique.

By the end of this tutorial, you'll have a solid understanding of how to read text files in JavaScript and be able to apply this knowledge to your own projects.

0:00 HTML
0:40 CSS
1:32 Javascript
4:45 Final Output
  1. KodeBase
  2. read text file in javascript
  3. read text file line by line in javascript
  4. file reader in javascript
  5. reading text file using javascript
  6. reading text file with file reader javascript javascript
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Комментарии
Автор

Really nice... but now, how do I do it without the input?

MegaZeeeh
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I was looking for copper and found gold, thank you very much.

BensiCraft
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Thank u bro, the information is really good and helpful.

enriquecs
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Thank you sooo much. you saved my day.Have a very blessed life.

chamnil
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THANKYOU! Is there the need to close the file stream once it has been opened?

haroldmcbroom
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Hi! How do you get only the pure text without all the formatting stuff? Thank you!

HadasMM
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Bro I have a big data in firebase, I can create multiple txt file from it or in a single textfile and store it by any spliter.
Now I want to create a listview in the javascript and load all the line in a listview. Length of the list, I dont know, I also need to know length of the list.I am an App Developer and want to create a website also with the help of the app databse. Can you make a video on it ?

reckletdeveloper
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can you help me to get pdf and text file both it support in same mthod in angular

sravanin
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How can i convert this type of data into associative array
id, first_name, last_name, gender, lat, lon
1, Audy, MacKonochie, Female, 27.948308, 109.599191
2, Godard, Matthiae, Male, 14.6306039, 121.0056925

as this

{id:1, Fname:"Audy", Lname:"MacKonochie", Gender:"Female", Lat:27.948308, Long:109.599191},
{id:2, Fname:"Godard", Lname:"Matthiae", Gender:"Male", Lat:14.6306039, Long:121.0056925},

fgsolutions
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What if I want to show specific text not all. For example, I want to read config file to display only the version and or model name and some specifications available in the .txt file.

Please help me out, I have similar project doing now.

ahmadadamjj
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And how do I read a directory with multiple text files?

mr-fluffy
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hi if i want line two out in 'thediv' is it not possible?


<!doctype html>
<html lang='en'>
<head>
<meta charset='utf-8'>
<title>JS FileReader</title>
<style type="text/css">
div{
dispplay: flex;
flex-direction: column;
align-items: center;
}
textarea{
margin-top: 15px;
width: 50%;
}
</style>

</head>
<body>
<div>
<input type='file'><br>
<textarea cols='30' rows='20'></textarea>
</div>
<script language=javascript>
<!--
document.write(' <p>')
document.write(' <div id="theDiv">')
document.write(' </div>')
document.write(' <p>')
input =
textarea =
input.addEventListener('change', () => {
files = input.files
if(files.length == 0) return
file = files[0]
reader = new FileReader()
reader.onload = (e) => {
file = e.target.result
lines = file.split(/\r\n|\n/)
textarea.value = lines.join('\n')

// if(files.length == 1) = files[1]
// = files.length

// = files.length
// = FileReader.length


}

// = files.length


reader.onerror = (e) => alert(e.target.error.name)
reader.readAsText(file)
})
// = files.length
= FileReader.length

-->
</script>
<script language=javascript>
<!--
update = new Date(document.lastModified);
dato = update.getDate()
dagnr = update.getDay()
maaned = update.getMonth()
aar = update.getYear()
if (navigator.appName == 'Netscape') aar = update.getYear()+1900
timer = update.getHours()
minutter = update.getMinutes();
sekunter = update.getSeconds();
millisekunter = update.getMilliseconds();
document.write('<p> ' + dato+".")
document.write(" " + (maaned+1) + " " + aar + " klokken ")
+ '')
-->
</script>
</body>
</html>

leoboel
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It didn't work please give me the a link to download the project

bigmancozmo
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But I'm able to see special characters over there it showing some boxes and question marks
so do you have anything from which I can able to see my text file properly

anjalinawal
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How to read the file data from two departments and return higgest salary. Ex engn depart and testing depart

ur_aditya
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But how can I access the text in a txt file? to the first or second line

ulbolsynzh
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how to code auto save file console output? no upload or download

FahrulRoziHarahapOwnerSCI