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how to check file extension in node js


  var path = require('path');

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

  console.log(ext); 
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get file extension node

var path = require('path')

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