How can I close a browser window without receiving the Do you want to close this window prompt

Question

How can I close a browser window without receiving the Do you want to close this window prompt   The prompt occurs when I use the window close    function

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In the body tag    lt body onload  window open       self         gt    To close the window    lt a href  javascript window close     gt    Tested on Safari 4 0 5  FF for Mac 3 6  IE 8 0  and FF for Windows 3 5

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This works in Chrome 26  Internet Explorer 9 and Safari 5 1 7  without the use of a helper page  ala Nick s answer     lt script type  text javascript  gt      window open  javascript window open       self       window close        self     lt  script gt    The nested window open is to make IE not display the Do you want to close this window prompt   Unfortunately it is impossible to get Firefox to close the window

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Place the following code in the ASPX    lt script language javascript gt  function CloseWindow          window open       self            window close       lt  script gt    Place the following code in the code behind button click event   string myclosescript     lt script language  javascript  type  text javascript  gt CloseWindow    lt  script gt     Page ClientScript RegisterStartupScript GetType     myclosescript   myclosescript     If you dont have any processing before close then you can directly put the following code in the ASPX itself in the button click tag   OnClientClick  CloseWindow       Hope this helps

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In my situation the following code was embedded into a php file   var PreventExitPop   true  function ExitPop       if  PreventExitPop    false        return  Hold your horses   n nTake the time to reserve your place Registrations might become paid or closed completely to newcomers         window onbeforeunload   ExitPop    So I opened the console and write the following   PreventExitPop   false   This solved the problem  So  find out the JavaScript code and find the variable s  and assign them to an appropriate  value  which in my case was  false

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The browser is complaining because you re using JavaScript to close a window that wasn t opened with JavaScript  i e  window open  foo html

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I am going to post this because this is what I am currently using for my site and it works in both Google Chrome and IE 10 without receiving any popup messages    lt html gt       lt head gt       lt  head gt       lt body onload  window close     gt       lt  body gt   lt  html gt    I have a function on my site that I want to run to save an on off variable to session without directly going to a new page so I just open a tiny popup webpage   That webpage then closes itself immediately with the onload  window close     function

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The best solution I have found is   this focus    self opener this  self close

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This will work     lt script type  text javascript  gt  function closeWindowNoPrompt     window open       parent        window close       lt  script gt

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Scripts are not allowed to close a window that a user opened  This is considered a security risk  Though it isn t in any standard  all browser vendors follow this  Mozilla docs   If this happens in some browsers  it s a security bug that  ideally  gets patched very quickly   None of the hacks in the answers on this question work any longer  and if someone would come up with another dirty hack  eventually it will stop working as well   I suggest you don t waste energy fighting this and embrace the method that the browser so helpfully gives you  mdash  ask the user before you seemingly crash their page

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From here    lt a href  javascript window opener  x  window close     gt Close lt  a gt    You need to set window opener to something  otherwise it complains

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My friend    there is a way but  hack  does not begin to describe it  You have to basically exploit a bug in IE 6  amp  7    Works every time   Instead of calling window close    redirect to another page    Opening Page   alert  No whammies     window open  closer htm     self      Redirect to another page  This fools IE into letting you close the browser on this page    Closing Page    lt script type  text javascript  gt      window close     lt  script gt    Awesome huh

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window opener window  window close

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x000D   x000D  window open       self       close    x000D   x000D   x000D    Sorry a bit late here  but i found the solution  at least for my case  Tested on Safari 11 0 3 and Google Chrome 64 0 3282 167

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Create a JavaScript function   lt script type  text javascript  gt      function closeme             window open       self                window close           lt  script gt    Now write this code and call the above JavaScript function   lt a href  Help aspx  target   blank  onclick  closeme     gt Help lt  a gt    Or simply    lt a href    onclick  closeme     gt close lt  a gt

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For security reasons  a window can only be closed in JavaScript if it was opened by JavaScript  In order to close the window  you must open a new window with  self as the target  which will overwrite your current window  and then close that one  which you can do since it was opened via JavaScript    window open       self        window close

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Here is Javascript function which I use to close browser without Prompt or Warning  it can also be called from Flash  It should be in html file       function closeWindows              var browserName   navigator appName           var browserVer   parseInt navigator appVersion              alert browserName         browserVer               document getElementById  flashContent   innerHTML     lt br gt  amp nbsp  lt font face  Arial  color  blue  size  2  gt  lt b gt  You have been logged out of the Game  Please Close Your Browser Window  lt  b gt  lt  font gt              if browserName     Microsoft Internet Explorer                 var ie7    document all  amp  amp   window opera  amp  amp  window XMLHttpRequest    true   false                 if  ie7                                    This method is required to close a window without any prompt for IE7  amp  greater versions                 window open      parent                      window close                               else                                 This method is required to close a window without any prompt for IE6                this focus                   self opener   this                 self close                            else                  For NON-IE Browsers except Firefox which doesnt support Auto Close             try                  this focus                    self opener   this                  self close                              catch e                               try                  window open      self                       window close                              catch e

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Because of the security enhancements in IE  you can t close a window unless it is opened by a script  So the way around this will be to let the browser think that this page is opened using a script  and then to close the window  Below is the implementation   Try this  it works like a charm  javascript close current window without prompt IE   lt script type  text javascript  gt  function closeWP      var Browser   navigator appName   var indexB   Browser indexOf  Explorer      if  indexB  gt  0        var indexV   navigator userAgent indexOf  MSIE     5      var Version   navigator userAgent substring indexV  indexV   1        if  Version  gt   7            window open       self                window close              else if  Version    6            window opener   null          window close              else           window opener               window close              else       window close          lt  script gt    javascript close current window without prompt IE

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window open       self        window close      This works for me

[javascript] How can I close a browser window without receiving the "Do you want to close this window" prompt?

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