项目中经常用到的方法，放这边省的写其他项目用到了还要重新写或者翻以前项目(找不到是谁写的，直接拿来放这儿了)
function getBrowserInfo() { let agent = navigator.userAgent.toLowerCase(); let arr = []; let system = agent.split(' ')[1].split(' ')[0].split('(')[1]; arr.push(system); let REGSTR_EDGE = /edge\/[\d.]+/gi; let REGSTR_IE = /trident\/[\d.]+/gi; let OLD_IE = /msie\s[\d.]+/gi; let REGSTR_FF = /firefox\/[\d.]+/gi; let REGSTR_CHROME = /chrome\/[\d.]+/gi; let REGSTR_SAF = /safari\/[\d.]+/gi; let REGSTR_OPERA = /opr\/[\d.]+/gi; // IE if (agent.indexOf('trident') > 0) { arr.push(agent.match(REGSTR_IE)[0].split('/')[0]); arr.push(agent.match(REGSTR_IE)[0].split('/')[1]); return arr; } // OLD_IE if (agent.indexOf('msie') > 0) { arr.push(agent.match(OLD_IE)[0].split(' ')[0]); arr.push(agent.match(OLD_IE)[0].split(' ')[1]); return arr; } // Edge if (agent.indexOf('edge') > 0) { arr.push(agent.match(REGSTR_EDGE)[0].split('/')[0]); arr.push(agent.match(REGSTR_EDGE)[0].split('/')[1]); return arr; } // firefox if (agent.indexOf('firefox') > 0) { arr.push(agent.match(REGSTR_FF)[0].split('/')[0]); arr.push(agent.match(REGSTR_FF)[0].split('/')[1]); return arr; } // Opera if (agent.indexOf('opr') > 0) { arr.push(agent.match(REGSTR_OPERA)[0].split('/')[0]); arr.push(agent.match(REGSTR_OPERA)[0].split('/')[1]); return arr; } // Safari if (agent.indexOf('safari') > 0 && agent.indexOf('chrome') < 0) { arr.push(agent.match(REGSTR_SAF)[0].split('/')[0]); arr.push(agent.match(REGSTR_SAF)[0].split('/')[1]); return arr; } // Chrome if (agent.indexOf('chrome') > 0) { arr.push(agent.match(REGSTR_CHROME)[0].split('/')[0]); arr.push(agent.match(REGSTR_CHROME)[0].split('/')[1]); return arr; } else { arr.push('未获取到浏览器信息'); return arr; } }