前端

doum

2025-09-03 b5391c8c5a802d6662f4336e1e2290439d0a91c4

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];