Setting multiple cookie in javascript

Question

I'm trying to set multiple cookies in document.cookie, but unfortunately my code shows the cookie value as null and undefined. My code is as belows:

<script>
function set_cookie ( name, value, exp_y, exp_m, exp_d, path, domain, secure )
{
  var cookie_string = name + "=" + escape ( value );

  if ( exp_y )
  {
    var expires = new Date ( exp_y, exp_m, exp_d );
    cookie_string += "; expires=" + expires.toGMTString();
  }

  if ( path )
        cookie_string += "; path=" + escape ( path );

  if ( domain )
        cookie_string += "; domain=" + escape ( domain );

  if ( secure )
        cookie_string += "; secure";

  document.cookie = cookie_string;
}
</script>
<script>

alert(setCookie( "username", "Miron" ));
alert(setCookie( "username", "Mirion", 2003, 01, 15 ));
alert(setCookie("username", "John Smith", 2003, 01, 15, "","elated.com", "secure"))
</script>

I technically see no fault in the code. Please tell me where I had gone wrong

Your setCookie does not return a value so you can not call it in alert — Aria
– Aria, Commented Jan 29, 2015 at 8:27

Suchit kumar · Accepted Answer · 2015-01-29 08:31:04Z

try to return the string to display in alert and change your function name set_cookie to setCookie.

 <script>
function setCookie ( name, value, exp_y, exp_m, exp_d, path, domain, secure )
{
  var cookie_string = name + "=" + escape ( value );

  if ( exp_y )
  {
    var expires = new Date ( exp_y, exp_m, exp_d );
    cookie_string += "; expires=" + expires.toGMTString();
  }

  if ( path )
        cookie_string += "; path=" + escape ( path );

  if ( domain )
        cookie_string += "; domain=" + escape ( domain );

  if ( secure )
        cookie_string += "; secure";

  document.cookie = cookie_string;
  return cookie_string;//or document.cookie 
}
</script>


 <script>

alert(setCookie( "username", "Miron" ));
alert(setCookie( "username", "Mirion", 2003, 01, 15 ));
alert(setCookie("username", "John Smith", 2003, 01, 15, "","elated.com", "secure"))
</script>

Dmitry · Accepted Answer · 2017-09-10 20:17:05Z

0

It looks like you are trying to call setCookie, but the method you have defined is called set_cookie. If you add a dubugger line in you method and run it - are you hitting the debug statement? To correct, either change the function name to setCookie or change the calls to set_cookie.

Also, the function doesn't seem to return anything, so your alerts will be undefined (when it does run). Once you have made the call to your setCookie method, just try a document.cookie in the console and you should see that your values have been set.

edited Sep 10, 2017 at 20:17

Dmitry

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answered Jan 29, 2015 at 8:27

Rob Wilson

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