how to create txt file in javascript

Question

if (window.XMLHttpRequest)
{
    xmlhttp=new XMLHttpRequest();
}
else
{
    xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.open("GET","t1.txt",false);
xmlhttp.send();
xmlDoc=xmlhttp.responseText;
xmlhttp.open("w","t1.txt");
xmlhttp.writeln('hai');
xmlhttp.close();
console.log(xmlDoc);

I'll read t1.txt file using XMLHttpRequest(), How I'll write some more text in same file for t1.txt

See stackoverflow.com/questions/30563157/…

guest271314
– guest271314

2016-02-22 07:30:54 +00:00
Commented Feb 22, 2016 at 7:30 — guest271314
– guest271314, Commented Feb 22, 2016 at 7:30

thanhpk · Accepted Answer · 2016-02-22 07:37:59Z

24

You can't. Browser-side javascript are not allowed to write to client machine without disabling a lot of security options.

Instead, you could download a new file using this code

function downloadContent(name, content) {
  var atag = document.createElement("a");
  var file = new Blob([content], {type: 'text/plain'});
  atag.href = URL.createObjectURL(file);
  atag.download = name;
  atag.click();
}

downloadContent("t1.txt","hello world");

answered Feb 22, 2016 at 7:37

thanhpk

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