Summary of several methods to use JS to identify browser type and IE version

Summary of several methods to use JS to identify browser type and IE version_javascript skills

WBOY

Release： 2016-05-16 18:04:08

Original

1103 people have browsed it

Copy code The code is as follows:

 
var isIE=!!window.ActiveXObject; 
var isIE6= isIE&&!window.XMLHttpRequest; 
var isIE8=isIE&&!!document.documentMode; 
var isIE7=isIE&&!isIE6&&!isIE8; 
if (isIE){ 
if (isIE6){ 
 alert("ie6"); 
}else if (isIE8){ 
alert("ie8"); 
}else if (isIE7){ 
alert("ie7"); 
 } 
} 

---------------------------------------- -----------------------------------------------

Copy code The code is as follows:

 
if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.match (/6./i)=="6."){ 
alert("IE 6"); 
} 
else if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion .match(/7./i)=="7."){ 
alert("IE 7"); 
} 
else if(navigator.appName == "Microsoft Internet Explorer" && navigator .appVersion.match(/8./i)=="8."){ 
alert("IE 8"); 
} 
else if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.match(/9./i)=="9."){ 
alert("IE 9"); 
} 

----- -------------------------------------------------- --------------------------

Copy code The code is as follows:

 
if(navigator.userAgent.indexOf("Opera") != -1) { 
alert('Opera'); 
} 
else if (navigator.userAgent.indexOf("MSIE") != -1) { 
alert('Internet Explorer'); 
} 
else if(navigator.userAgent.indexOf("Firefox") != -1) { 
alert('Firefox'); 
} 
else if(navigator.userAgent.indexOf("Netscape") != -1) { 
alert('Netscape'); 
} 
else if(navigator.userAgent.indexOf("Safari") != -1) { 
alert('Safari'); 
} 
else{ 
alert( 'Unrecognized browser. '); 
} 

---------------------------------- --------------------------------------------------

Copy code The code is as follows:

 
if(! 'v1' && !'1'[0 ]){ 
alert("ie6 or ie7") 
} 

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Summary of several methods to use JS to identify browser type and IE version_javascript skills