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JavaScript Tutorial: Checking Cookies

How to check if the browser has cookies turned off?

If your browser has cookie enabled, you'll see “Yay, cookies!” below, else you'll see “O, no cookies!”.

Here's the code:

if (navigator.cookieEnabled) {
 document.write('<p><span style="color:blue">Yay, cookies!<\/span><\/p>');
} else {
 document.write('<p><span style="color:blue">O, no cookies!<\/span><\/p>');
}

Setting and Getting Cookie

You can always test whether the browser can accept a cookie by setting a cookie, and see if it is taken. You set a cookie by “document.cookie”.

https://developer.mozilla.org/en/DOM/document.cookie