前端

jiangping

2025-07-16 c2d3591648b215ab29fc14cab1c747ba58798412

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];