优化

MrShi

2025-08-21 a223d5e29e9384f720ae98c44cbe10f8fa4f73e7

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];