Exclua extensão do nome do arquivo JavaScript
const file = 'test.jpg';
const filename = file.split('.').slice(0, -1).join('.');
loonix
const file = 'test.jpg';
const filename = file.split('.').slice(0, -1).join('.');// using string methods only
filename.substring(0, filename.lastIndexOf('.')) || filename
// using both string & array methods
filename.split('.').slice(0, -1).join('.')