getFlashVersion() {            var flashVer = NaN;            var ua = navigator.userAgent;            if (window.ActiveXObject) {              var swf = new ActiveXObject('ShockwaveFlash.ShockwaveFlash');              if (swf) {                 flashVer = Number(swf.GetVariable('$version').split(' ')[1].replace(/\,/g, '.').replace(/^(\d+\.\d+).*$/, "$1"));              }            } else {             if (navigator.plugins && navigator.plugins.length > 0) {                 var swf = navigator.plugins['Shockwave Flash'];                 if (swf) {                     var arr = swf.description.split(' ');                     for (var i = 0, len = arr.length; i < len; i++) {                         var ver = Number(arr[i]);                         if (!isNaN(ver)) {                            flashVer = ver;                            break;                         }                     }                 }             }            }            return flashVer;        }        复制代码