判断浏览器信息，及当前浏览网页使用的设备- Starterknow

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> <script> console.log(navigator.userAgent); //判断浏览器厂商 "固定格式" functiоn userBrowser() { var browserName = navigator.userAgent.toLowerCase(); console.log(browserName); // 根据browserName来判断浏览器厂商 if (/msie/i.test(browserName) && !/opera/i.test(browserName)) { alert("IE"); return; } else if (/firefox/i.test(browserName)) { alert("FireFox"); return; } else if (/chrome/i.test(browserName) && /webkit/i.test(browserName) && /mozilla/i.test(browserName)) { alert("Chrome"); return; } else if (/opera/i.test(browserName)) { alert("Opera"); return; } else if (!(/chrome/i.test(browserName)) && /webkit/i.test(browserName) && /mozilla/i.test(browserName)) { alert("Safari"); return; } // /'正则(内容是浏览器的内核)'/ else if (/Gecko/i.test(browserName)) { alert("IE11"); return; } else { alert('unknow'); } } userBrowser(); // 验证是否是移动客户端 functiоn browserRedirect() { var sUserAgent = navigator.userAgent.toLowerCase(); // /xxx/i正则表达式语法 var bIsIPad = sUserAgent.match(/ipad/i) == "ipad"; var bIsIPhoneOS = sUserAgent.match(/iphone os/i) == "iphone os"; var bIsMidp = sUserAgent.match(/midp/i) == "midp"; var bIsUc7 = sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4"; var bIsUc = sUserAgent.match(/ucweb/i) == "ucweb"; var bIsAndroid = sUserAgent.match(/android/i) == "android"; var bIsCE = sUserAgent.match(/window ce/i) == "window ce"; var bIsWM = sUserAgent.match(/windows mobile/i) == "window mobile"; if (bIsIPad || bIsIPhoneOS || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) { alert("移动端"); } else { alert("pc端"); } } browserRedirect(); </script> </body> </html>

原文链接：https://blog.csdn.net/TargetObject1/article/details/126128899?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522167193311916800211538178%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=167193311916800211538178&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_ecpm_v1~times_rank-4-126128899-null-null.blog_rank_default&utm_term=Shopify