Merge remote-tracking branch 'origin/master'

aijinhui

2023-10-08 2d5fdd624858e438a7153a8d3a55add8d2fdfda2

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