function IEVersion() { var userAgent = navigator.userAgent; var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1; var isEdge = userAgent.indexOf("Edge") > -1 && !isIE; var isIE11 = userAgent.indexOf('Trident') > -1 && userAgent.indexOf("rv:11.0") > -1; if(isIE) { var reIE = new RegExp("MSIE (d+.d+);"); reIE.test(userAgent); var fIEVersion = parseFloat(RegExp["$1"]); if(fIEVersion == 7) { return 7; } else if(fIEVersion == 8) { return 8; } else if(fIEVersion == 9) { return 9; } else if(fIEVersion == 10) { return 10; } else { return 6; } } else if(isEdge) { return 'edge'; } else if(isIE11) { return 11; }else{ return 12; } } if(IEVersion()<10) {alert('您目前的IE版本太低,请升级后浏览!Your current version of