javascript判断IE浏览器和获取IE版本号

作者：管理员

发布时间：2014/11/5 9:31:26

评论数：0

转载请自觉注明原文：http://www.jq-school.com/Show.aspx?id=460

function isIE(){
	if(!!window.ActiveXObject || "ActiveXObject" in window){
		return true;
	}else{
		return false;
	}
}

function IEVersion(){
  var rv = -1;
  if (navigator.appName == 'Microsoft Internet Explorer'){
    var ua = navigator.userAgent;
    var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
    if (re.exec(ua) != null)
      rv = parseFloat( RegExp.$1 );
  }else if (navigator.appName == 'Netscape'){
    var ua = navigator.userAgent;
    var re  = new RegExp("Trident/.*rv:([0-9]{1,}[\.0-9]{0,})");
    if (re.exec(ua) != null)
      rv = parseFloat( RegExp.$1 );
  }
  return rv;
}
if (isIE()) {
	if (IEVersion() < 10) {
		if (IEVersion() > 7) {
			window.location.href = "";
		}else{
			window.location.href = "";
		};
	};
};