使用java脚本,如何检查用户是否接受域的cookie。 YUI 有没有这样的组件要检查?
最佳答案
图书馆:
<script type="text/javascript">
function createCookie(name, value, days) {
var expires;
if (days) {
var date = new Date();
date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
expires = "; expires=" + date.toGMTString();
}
else expires = "";
document.cookie = name + "=" + value + expires + "; path=/";
}
function readCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for (var i = 0; i < ca.length; i++) {
var c = ca[i];
while (c.charAt(0) == ' ') c = c.substring(1, c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
}
return null;
}
function eraseCookie(name) {
createCookie(name, "", -1);
}
function areCookiesEnabled() {
var r = false;
createCookie("testing", "Hello", 1);
if (readCookie("testing") != null) {
r = true;
eraseCookie("testing");
}
return r;
}
</script>
要运行的代码:
<script type="text/javascript">
alert(areCookiesEnabled());
</script>
记住:
这仅在允许运行 Javascript 的情况下才有效!
信用:
这是 here 的转发。原作者是balexandre .
关于javascript - 如何检查用户是否接受cookie,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/7790823/