雷达引导追踪优化

‘liusuyi’

2023-12-05 42ea9bdbcd2d8d66fd623a982a0c48dda509254d

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