JavaScript检测flash player的版本号 

   1: function getFlashVersion() {
   2:     var flashVer = NaN;
   3:     var ua = navigator.userAgent;
   4:  
   5:     if (window.ActiveXObject) {
   6:         var swf = new ActiveXObject('ShockwaveFlash.ShockwaveFlash');
   7:  
   8:         if (swf) {
   9:             flashVer = Number(swf.GetVariable('$version').split(' ')[1].replace(/\,/g, '.').replace(/^(\d+\.\d+).*$/, "$1"));
  10:         }
  11:     } else {
  12:         if (navigator.plugins && navigator.plugins.length > 0) {
  13:             var swf = navigator.plugins['Shockwave Flash'];
  14:  
  15:             if (swf) {
  16:                 var arr = swf.description.split(' ');
  17:                 for (var i = 0, len = arr.length; i < len; i++) {
  18:                     var ver = Number(arr[i]);
  19:  
  20:                     if (!isNaN(ver)) {
  21:                         flashVer = ver;
  22:                         break;
  23:                     }
  24:                 }
  25:             }
  26:         }
  27:     }
  28:  
  29:     return flashVer;
  30: }
  31:  
  32:  
  33: var flashVer = getFlashVersion();
  34:  
  35: if (!isNaN(flashVer)) {
  36:  
  37:     document.write('当前flash player 的版本：' + flashVer);    
  38:  
  39: } else {
  40:     document.write('您尚未安装flash播放器');
  41: }
posted @ 2012-07-12 16:42  meteoric_cry  阅读(1807)  评论(0)  编辑  收藏  举报