javascript检查浏览器是否支持flash,程序输出结果:
<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();
var s = \"\";
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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