锁

aijinhui

2024-01-11 33d0ed6367f2ff3cfb80a0d5ff0a8367a660dac3

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