var flashChecker = function() { var hasFlash = 0; //是否安装了flash var flashVersion = 0; //flash版本 if(document.all) { var swf = new ActiveXObject(‘ShockwaveFlash.ShockwaveFlash‘); if(swf) { hasFlash = 1; VSwf = swf.GetVariable("$version"); flashVersion = parseInt(VSwf.split(" ")[1].split(",")[0]); } } else { if(navigator.plugins && navigator.plugins.length > 0) { var swf = navigator.plugins["Shockwave Flash"]; if(swf) { hasFlash = 1; var words = swf.description.split(" "); for(var i = 0; i < words.length; ++i) { if(isNaN(parseInt(words[i]))) continue; flashVersion = parseInt(words[i]); } } } } return { f: hasFlash, v: flashVersion }; }
var fls = flashChecker(); var s = ""; if(!fls.f) { if(confirm("您的浏览器未安装Flash插件，现在安装？")) { window.location.href = "http://get.adobe.com/cn/flashplayer/"; } }
js判断浏览器是否安装Flash插件，并提示安装或开启
原文地址：http://www.cnblogs.com/remember-forget/p/7509497.html