function getExplorer(){
var browser;
var explorer = window.navigator.userAgent ;
var a1 = navigator.userAgent;
var yesIE = a1.search(/Trident/i);//判断IE
var IE = a1.search(/rv:11.0/i);//判断IE 11
if(IE>0){
return browser = 'ie11';
}else
//ie
if (yesIE > 0) {
return browser = 'ie';
}
//Edge
else if(explorer.indexOf("Edge") >= 0){
return browser = 'Edge';
}
//firefox
else if (explorer.indexOf("Firefox") >= 0) {
return browser = 'Firefox';
}
//Chrome
else if(explorer.indexOf("Chrome") >= 0){
return browser = 'Chrome';
}
//Opera
else if(explorer.indexOf("Opera") >= 0){
return browser = 'Opera';
}
//Safari
else if(explorer.indexOf("Safari") >= 0){
return browser = 'Safari';
}
}