JAVASCRIPT

how to check file extension in node js

  var path = require('path');

var ext = path.extname('/Users/Refsnes/demo_path.js');

  console.log(ext); 

how to read file extension in a folder in node js

fs.readdir('./', (err, files) => {
        files.forEach(file => {
        //   console.log(file);
         // read extension
          const extension = file.split(".").pop();
          });
      })

get file extension node

var path = require('path')

path.extname('index.html')
// returns
'.html'

get file extension nodejs

const path = require('path');

path.extname('index.html');
// Returns: '.html'

path.extname('index.coffee.md');
// Returns: '.md'

path.extname('index.');
// Returns: '.'

path.extname('index');
// Returns: ''

path.extname('.index');
// Returns: ''

path.extname('.index.md');
// Returns: '.md'