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- function BrowserType () {
- var userAgent = navigator.userAgent
- var isOpera = userAgent.indexOf('Opera') > -1
-
- var isIE = window.ActiveXObject || 'ActiveXObject' in window
-
- var isEdge = userAgent.indexOf('Edge') > -1
- var isFF = userAgent.indexOf('Firefox') > -1
- var isSafari = userAgent.indexOf('Safari') > -1 && userAgent.indexOf('Chrome') == -1
- var isChrome = userAgent.indexOf('Chrome') > -1 && userAgent.indexOf('Safari') > -1 && !isEdge
- if (isIE) {
- var reIE = new RegExp('MSIE (\\d+\\.\\d+);')
- reIE.test(userAgent)
- var fIEVersion = parseFloat(RegExp['$1'])
- if (userAgent.indexOf('MSIE 6.0') != -1) {
- return 'IE6'
- } else if (fIEVersion == 7) {
- return 'IE7'
- } else if (fIEVersion == 8) {
- return 'IE8'
- } else if (fIEVersion == 9) {
- return 'IE9'
- } else if (fIEVersion == 10) {
- return 'IE10'
- } else if (userAgent.toLowerCase().match(/rv:([\d.]+)\) like gecko/)) {
- return 'IE11'
- } else {
- return '0'
- }
- }
- if (isFF) { return 'FF' }
- if (isOpera) { return 'Opera' }
- if (isSafari) { return 'Safari' }
- if (isChrome) { return 'Chrome' }
- if (isEdge) { return 'Edge' }
- }
- if (BrowserType() != 'Chrome' && BrowserType() != 'IE11') {
- var con = alert('当前浏览器版本过低,为保证更好体验请下载谷歌浏览器进行操作, 点击【确定】升级,如不升级您将不能正常浏览网页!' + '\n' + '下载地址:“https://www.google.cn/chrome”')
- if (con == true) {} else {
- window.location = 'https://www.google.cn/chrome'
- }
- }
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