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], 10))) {
continue;
}
flashVersion = parseInt(words[i], 10);
}
}
<a target="_blank" href="https://get2.adobe.com/cn/flashplayer/">点击启用或下载</a>