ss

jiangping

2025-07-10 e6df0c0786cf335060e0b24d141844c392c4e2b4

1
2
3
4
5
6
'use strict';
var userAgent = require('../internals/environment-user-agent');
 
var firefox = userAgent.match(/firefox\/(\d+)/i);
 
module.exports = !!firefox && +firefox[1];