js检测浏览器cookie是否开启

<script>

function CookieEnable() {

var result=false;

if(navigator.cookiesEnabled) return true;

document.cookie = "testcookie=yes;";

var cookieSet = document.cookie;

if (cookieSet.indexOf("testcookie=yes") > -1) result=true;

document.cookie = "";

return result;

}

if(!CookieEnable()){

alert("对不起，您的浏览器的Cookie功能被禁用，请开启");

}

</script>