get-cookie.js

这是《JavaScript学习源代码》一书的源代码

// find any cookies

if( window.document.cookie )

{
  

  // unescape the cookie data
  
  var cookiedata = unescape( window.document.cookie );
  
  // split the name=value pairs
  
  var userdata = cookiedata.split( "=" );
  
  // if the cookie is called cookiedata
  
  if( userdata[0] == "cookiedata" )
  
  {                      
    
    // split the comma delimited values
    
    var data = userdata[1].split( "," );
    
    var user = data[0];
    
    var acct = data[1];

    // display the data retrieved from the cookie

    alert("Welcome " + user + "\nAccount number: " + acct);  
  }
}