<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>navigator对象</title>
</head>
<body>
<button onclick="checkFlash()">检测</button>
<p style="color: red">检测是否有flash插件</p>
<script>
// 检测非IE插件
//name是插件名称
function hasPlugin(name) {
name = name.toLowerCase();
for (var i = 0; i < navigator.plugins.length; i++) {
if (navigator.plugins[i].name.toLowerCase().indexOf(name) > -1) {
return true;
}
}
return false;
}
//检测IE插件name为插件的标识符
function hasIEPlugin(name) {
try {
new ActiveXObject(name);
return true;
} catch (ex) {
return false;
}
}
//检测是否有flash插件
function hasFlash() {
var result = hasPlugin("Flash");
if (!result) {
result = hasIEPlugin("ShockwaveFlash.ShockwaveFlash");
}
return result;
}
function checkFlash() {
var resultChecker = hasFlash();
if (!resultChecker) {
var message = confirm("您的浏览器未安装Flash插件，现在去安装？")
if (message) {
window.location.href = "http://get.adobe.com/cn/flashplayer/";
}
} else {
alert("安装Flash插件");
}
}
// checkFlash()
</script>
</body>
</html>