javascript sending custom parameters with window open but its not working

Question

lt html gt   lt head gt   lt script gt  function open win         window open  http   localhost 8080 login   mywindow      lt  script gt   lt  head gt   lt body gt    lt input type  button  value  Open Window  onclick  open win    gt    lt  body gt   lt  html gt    Hi     On click of a button   i am opening a new website  My web site   I have two text fields   One Text Field and another Password Field    i am trying to send this values to the other opened window     But its not working as I want   I have tried the following  ways   1   window open  http   localhost 8080 login cid  username  amp pwd  password    mywindow    2   window open  http   localhost 8080 login   mywindow       mywindow getElementById  cid   value  MyUsername      mywindow getElementById  pwd   value  mypassword    Could anybody please help me if this is possible or not     Sorry for the incomplete details   its a Post request

User · Answer

Please find this example code  You could use hidden form with POST to send data to that your URL like below   function open win         var ChatWindow Height   650      var ChatWindow Width   570       window open  Live Chat    chat    height     ChatWindow Height      width       ChatWindow Width          Hidden Form     var form   document createElement  form        form setAttribute  method    post        form setAttribute  action    http   localhost 8080 login        form setAttribute  target    chat           Hidden Field     var hiddenField1   document createElement  input        var hiddenField2   document createElement  input           Login ID     hiddenField1 setAttribute  type    hidden        hiddenField1 setAttribute  id    login        hiddenField1 setAttribute  name    login        hiddenField1 setAttribute  value    PreethiJain005           Password     hiddenField2 setAttribute  type    hidden        hiddenField2 setAttribute  id    pass        hiddenField2 setAttribute  name    pass        hiddenField2 setAttribute  value    Pass word          form appendChild hiddenField1       form appendChild hiddenField2        document body appendChild form       form submit

User · Answer

You can use this but there remains a security issue   lt script type  text javascript  gt  function fnc1         var a window location href       username  p       password 1234      window open a   username   username   amp password   password             lt  script gt   lt input type  button  onclick  fnc1      gt   lt input type  text  id  atext     gt

User · Answer

if you want to pass POST variables  you have to use a HTML Form    lt form action  http   localhost 8080 login  method  POST  target   blank  gt       lt input type  text  name  cid    gt       lt input type  password  name  pwd    gt       lt input type  submit  value  open    gt   lt  form gt    or   if you want to pass GET variables in an URL  write them without single-quotes   http   yourdomain com login cid username amp pwd password   here s how to create the string above with javascrpt variables   myu   document getElementById  cid   value  myp   document getElementById  pwd   value  window open  http   localhost 8080 login cid    myu    amp pwd    myp   MyTargetWindowName      in the document with that url  you have to read the GET parameters  if it s in php  use     GET  username     be aware  to transmit passwords that way is a big security leak

User · Answer

To concatenate strings  use the   operator   To insert data into a URI  encode it for URIs   Bad   var url    http   localhost 8080 login cid  username  amp pwd  password     Good   var url safe username   encodeURIComponent username   var url safe password   encodeURIComponent password   var url    http   localhost 8080 login cid     url safe username     amp pwd     url safe password    The server will have to process the query string to make use of the data  You can t assign to arbitrary form fields       but don t trigger new windows or pass credentials in the URI  where they are exposed to over the shoulder attacks and may be logged

User · Answer

You can try this instead   var myu   document getElementById  myu   value  var myp   document getElementById  myp   value  window opener location href  myurl php myu    myu    amp myp    myp    Note  Do not use this method to pass sensitive information like username  password

[javascript] javascript : sending custom parameters with window.open() but its not working

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