JavaScript开启flash并检测是否安装或开启

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<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>
<body>

<style type="text/css">

</style>

	<a href="http://www.adobe.com/go/getflashplayer" id="start_flash" rel="nofollow" target="_blank" title="升级Flash插件">启用flash</a>

</body>
</html>

<script>
function flashChecker() {
    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();
if(fls.f){
     document.write("您安装了flash,当前flash版本为: " + fls.v + ".x");
}else {
    document.write("您没有安装flash");
};

</script>

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转载自blog.csdn.net/u014131617/article/details/87286973