Javascript method for obtaining browser types and versions (js method for obtaining browser versions) _ basic knowledge

This article mainly introduces how to obtain the type and version of a browser using javascript (js to obtain the browser version). For more information, see The Code is as follows:

Function getExplorerInfo (){
Var explorer = window. navigator. userAgent. toLowerCase ();
// Ie
If (explorer. indexOf ("msie")> = 0 ){
Var ver = explorer. match (/msie ([\ d.] +)/) [1];
Return {type: "IE", version: ver };
}
// Firefox
Else if (explorer. indexOf ("firefox")> = 0 ){
Var ver = explorer. match (/firefox \/([\ d.] +)/) [1];
Return {type: "Firefox", version: ver };
}
// Chrome
Else if (explorer. indexOf ("chrome")> = 0 ){
Var ver = explorer. match (/chrome \/([\ d.] +)/) [1];
Return {type: "Chrome", version: ver };
}
// Opera
Else if (explorer. indexOf ("opera")> = 0 ){
Var ver = explorer. match (/opera. ([\ d.] +)/) [1];
Return {type: "Opera", version: ver };
}
// Safari
Else if (explorer. indexOf ("Safari")> = 0 ){
Var ver = explorer. match (/version \/([\ d.] +)/) [1];
Return {type: "Safari", version: ver };
}
}
Alert ("type:" + getExplorerInfo (). type + "\ nversion:" + getExplorerInfo (). version );