1fs.readdir('./', (err, files) => {
2    files.forEach(file => {
3    //   console.log(file);
4})});

1const testFolder = './tests/';
2const fs = require('fs');
3
4fs.readdir(testFolder, (err, files) => {
5  files.forEach(file => {
6    console.log(file);
7  });
8});
9

1
2//requiring path and fs modules
3const path = require('path');
4const fs = require('fs');
5//joining path of directory 
6const directoryPath = path.join(__dirname, 'Documents');
7//passsing directoryPath and callback function
8fs.readdir(directoryPath, function (err, files) {
9    //handling error
10    if (err) {
11        return console.log('Unable to scan directory: ' + err);
12    } 
13    //listing all files using forEach
14    files.forEach(function (file) {
15        // Do whatever you want to do with the file
16        console.log(file); 
17    });
18});

1var fs = require('fs');
2var files = fs.readdirSync('/downloads');