空闲时间段为空,则返回全天

zhangjianrock@163.com

2024-04-13 79794fdb2213fb38732e838308066aa681a1f58f

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