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The JavaScript FAQ
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Reading a Cookie

Question: How do I read a cookie with a given name?

Answer: To read a cookie cookieName that has been set by the SetCookie function, you can use the following function:

function ReadCookie(cookieName) {
 var theCookie=""+document.cookie;
 var ind=theCookie.indexOf(cookieName);
 if (ind==-1 || cookieName=="") return ""; 
 var ind1=theCookie.indexOf(';',ind);
 if (ind1==-1) ind1=theCookie.length; 
 return unescape(theCookie.substring(ind+cookieName.length+1,ind1));
}
Cookie Name: 
 

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The JavaScript FAQ
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