判断UpLoader是否安装了Flash

 var flashVersion = (function() {
            var version;
            try {
                version = navigator.plugins['Shockwave Flash'];
                version = version.description;
            } catch (ex) {
                try {
                    version = new ActiveXObject('ShockwaveFlash.ShockwaveFlash')
                        .GetVariable('$version');
                } catch (ex2) {
                    version = '0.0';
                }
            }
            version = version.match(/\d+/g);
            return parseFloat(version[0] + '.' + version[1], 10);
        })(),
        supportTransition = (function() {
            var s = document.createElement_x('p').style,
                r = 'transition' in s ||
                    'WebkitTransition' in s ||
                    'MozTransition' in s ||
                    'msTransition' in s ||
                    'OTransition' in s;
            s = null;
            return r;
        })(),
        // WebUploader实例
        uploader;
    if (!WebUploader.Uploader.support('flash') && WebUploader.browser.ie) {
        // flash 安装了但是版本过低。
        if (flashVersion) {
            
        } else {
            // $wrap.html('<a href="http://www.adobe.com/go/getflashplayer" target="_blank" border="0"><img  src='/images/loading.gif' data-original="http://www.adobe.com/macromedia/style_guide/images/160x41_Get_Flash_Player.jpg" /></a>');
            art.dialog.confirm('你还没安装Flash,请安装？', function () {
                window.open('http://www.adobe.com/go/getflashplayer', '_blank');
            }, function () {
                //art.dialog.tips('执行取消操作');
            });
            //showTips('<a href="http://www.adobe.com/go/getflashplayer" target="_blank" border="0">你还没安装Flash！请安装！</a>');
            return;
        }
    } else if (!WebUploader.Uploader.support()) {
        showError('Web Uploader 不支持您的浏览器！');
        return;

    }

原标题：判断UpLoader是否安装了Flash

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