how to change file name with node code example

Example 1: fs renaming files

const fs = require("fs")

fs.rename("./testfile.txt", "./newtestfile.txt", (err) => {
	if (err) console.log(err)
})

Example 2: rename file in js

var fs = require('fs');
 
fs.rename('sample_old.txt', 'sample_new.txt', function (err) {
  if (err) throw err;
  console.log('File Renamed.');
});