前端

jiangping

2025-07-15 f8a4a4306824bf9874a4333e12a0307555ffbb08

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];