Check if cookie exists else set cookie to Expire in 10 days

Question

Here is what I m looking to do  pseudo-code    Imagine the name of the cookie in the example is  visited  and it contains nothing   if visited exists then alert  hello again    else create visited - should expire in 10 days  alert  This is your first time      How can I achieve this in JavaScript

User · Accepted Answer

You need to read and write document cookie  if  document cookie indexOf  visited     gt   0         They ve been here before    alert  hello again      else        set a new cookie   expiry   new Date      expiry setTime expiry getTime    10 60 1000       Ten minutes       Date   s toGMTSting   method will format the date correctly for a cookie   document cookie    visited yes  expires     expiry toGMTString      alert  this is your first time

User · Answer

if         s visited   test document cookie         alert  Hello again       else       document cookie    visited true  max-age     60   60   24   10     60 seconds to a minute  60 minutes to an hour  24 hours to a day  and 10 days      alert  This is your first time         is one way to do it  Note that document cookie is a magic property  so you don t have to worry about overwriting anything  either   There are also more convenient libraries to work with cookies  and if you don   t need the information you   re storing sent to the server on every request  HTML5   s localStorage and friends are convenient and useful

[javascript] Check if cookie exists else set cookie to Expire in 10 days

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