js get file name without extension code example

Example 1: javascript get file extension

var fileName = "myDocument.pdf";
var fileExtension = fileName.split('.').pop(); //"pdf"

Example 2: exclude extension from filename javascript

const file = 'test.jpg';
const filename = file.split('.').slice(0, -1).join('.');

Example 3: node js get file name without extension

filename.split('.').slice(0, -1).join('.')