How to read cookies in JavaScript

To read cookies in a JavaScript following is the JavaScript function which will help you to read the particular cookies with the name which you have supplied in the function 

 Javascript | 
 copy code |
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<script>
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function readCookie(name) {
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 var cookiename = name + "=";
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 var ca = document.cookie.split(';');
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 for(var i=0;i < ca.length;i++)
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 {
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 var c = ca[i];
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 while (c.charAt(0)==' ') c = c.substring(1,c.length);
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 if (c.indexOf(cookiename) == 0) return c.substring(cookiename.length,c.length);
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 }
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 return null;
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}
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document.write("n" + readCookie('site'));
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</script>