function validB (){
var u_agent =navigator .userAgent ;
var B_name =”Failed to identify the browser”;
if (u_agent .indexOf (“Firefox”)>-1 ){
B_name =”Firefox”;
}else if (u_agent .indexOf (“Chrome”)>-1 ){
B_name =”Chrome”;
}else if (u_agent .indexOf (“MSIE”)>-1 &&u_agent .indexOf (“Trident”)>-1 ){
B_name =”IE(8-10)”;
document .write (“B_name:”+B_name +”
“);
document .write (“u_agent:”+u_agent +”
“);
Original: https://www.cnblogs.com/xiaochao12345/p/4553723.html
Author: super1234
Title: JavaScript高级用法三之浏览器对象
原创文章受到原创版权保护。转载请注明出处：https://www.johngo689.com/536037/
转载文章受原作者版权保护。转载请注明原作者出处！