Question

How to get the extension of a filename in Node.js

Answer 1

function getFileExtension(filename) {
    return filename.split('.').pop();
}

let extension = getFileExtension('filename.node');
console.log(extension);

extension = getFileExtension('filename.txt');
console.log(extension);




      
/*
run:
      
node
txt
      
*/

 

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