Member Avatar for ravi142

Both SetCookie() and GetCookie() works good.

Problem:
In bellow code how could i make condition IF cookie value NULL then BOX show otherwise HIde.
I have run but condition not going true.

$(document).ready(function(){   

                    var first_name = getCookie("chat_name");
                    var user_id = getCookie("chat_id");
                    var img_src = getCookie("chat_img");

                    if(first_name !=="" && user_id !=="" && img_src !=="")
                            //  if(document.cookie.length > 0)
                            {
                                    $("#chat_output").show();
                                    $("#hidebox").show();
                                    $("#chat_store").show();
                                    $("#chat_box").show();      
                            }   
        });

For Delete Cookie i used bellow code.its works good

document.cookie ="chat_id=''";
document.cookie ="chat_name=''"; 
document.cookie ="chat_img=''";

Can you suggest me how i can solved this issue.

Thank You

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