How to pass a php variable to a javascript file (function)?

Newsgroups	comp.lang.javascript
From	JiiPee <no@notvalid.com>
Subject	How to pass a php variable to a javascript file (function)?
Message-ID	<r6jPx.32747$nl4.14152@fx02.am4> (permalink)
Organization	virginmedia.com
Date	2015-10-02 00:13 +0100

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I have a php-file which contains a javascript:
<script type="text/javascript">
        function doIt() {
             var some_string = <?php echo json_encode($sometext); ?>;
             window.location.href = encodeURI("index.html");
         }
</script>

So it opens a new html site. Then this html site calls javascript 
function from a js-file:

test.js :

function doSomething() {
   // here I want to use that some_string created in the php file....
}

So in doSomething I want to be able to use this some_string created in 
php file. How can I do it? I tried couple of things, but I do not really 
understand Ajax... so if the solution is Ajax I would need detailed 
information. I checked on the internet but no Ajax example was detailed 
enough for me to get it working. Or if there is non-Ajax way that is 
also ok.

Or can I pass that some_string first to that html and then that html can 
pass it to js-file (to doSomething function)?

But please with Ajax it would need to be detailed answer as I am a 
newbie :). All google-Ajax examples failed when I tried them.

Thank you.

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How to pass a php variable to a javascript file (function)? JiiPee <no@notvalid.com> - 2015-10-02 00:13 +0100
  Re: How to pass a php variable to a javascript file (function)? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-10-02 09:44 +0200
    Re: How to pass a php variable to a javascript file (function)? Stefan Weiss <krewecherl@gmail.com> - 2015-10-02 12:14 +0200
      Re: How to pass a php variable to a javascript file (function)? JiiPee <no@notvalid.com> - 2015-10-02 11:43 +0100
      Re: How to pass a php variable to a javascript file (function)? JiiPee <no@notvalid.com> - 2015-10-02 11:58 +0100
        Re: How to pass a php variable to a javascript file (function)? Stefan Weiss <krewecherl@gmail.com> - 2015-10-02 13:38 +0200
          Re: How to pass a php variable to a javascript file (function)? JiiPee <no@notvalid.com> - 2015-10-02 12:53 +0100
            Re: How to pass a php variable to a javascript file (function)? JiiPee <no@notvalid.com> - 2015-10-02 13:46 +0100
            Re: How to pass a php variable to a javascript file (function)? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-10-02 13:51 +0100
          Re: How to pass a php variable to a javascript file (function)? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-10-02 21:42 +0200
            Re: How to pass a php variable to a javascript file (function)? Stefan Weiss <krewecherl@gmail.com> - 2015-10-03 00:33 +0200
              Re: How to pass a php variable to a javascript file (function)? JiiPee <no@notvalid.com> - 2015-10-02 23:45 +0100
              Re: How to pass a php variable to a javascript file (function)? Tim Streater <timstreater@greenbee.net> - 2015-10-02 23:55 +0100
            Re: How to pass a php variable to a javascript file (function)? JiiPee <no@notvalid.com> - 2015-10-03 00:02 +0100
          Re: How to pass a php variable to a javascript file (function)? JiiPee <no@notvalid.com> - 2015-10-02 23:49 +0100
      Re: How to pass a php variable to a javascript file (function)? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-10-02 21:37 +0200
        Re: How to pass a php variable to a javascript file (function)? Stefan Weiss <krewecherl@gmail.com> - 2015-10-03 00:34 +0200
          Re: How to pass a php variable to a javascript file (function)? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-10-03 04:35 +0200
            Re: How to pass a php variable to a javascript file (function)? Stefan Weiss <krewecherl@gmail.com> - 2015-10-05 01:11 +0200
              Re: How to pass a php variable to a javascript file (function)? Tim Streater <timstreater@greenbee.net> - 2015-10-05 09:13 +0100
              Re: How to pass a php variable to a javascript file (function)? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-10-06 03:30 +0200
                Re: How to pass a php variable to a javascript file (function)? Stefan Weiss <krewecherl@gmail.com> - 2015-10-10 00:27 +0200
        Re: How to pass a php variable to a javascript file (function)? Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-10-03 15:15 -0300
          Re: How to pass a php variable to a javascript file (function)? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-10-03 20:34 +0200
            Re: How to pass a php variable to a javascript file (function)? Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-10-03 15:59 -0300
              Re: How to pass a php variable to a javascript file (function)? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-10-03 22:15 +0200
    Re: How to pass a php variable to a javascript file (function)? JiiPee <no@notvalid.com> - 2015-10-02 11:36 +0100
      Re: How to pass a php variable to a javascript file (function)? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-10-02 16:34 +0200
        Re: How to pass a php variable to a javascript file (function)? JiiPee <no@notvalid.com> - 2015-10-02 16:00 +0100
          Re: How to pass a php variable to a javascript file (function)? Tim Streater <timstreater@greenbee.net> - 2015-10-02 16:03 +0100
            Re: How to pass a php variable to a javascript file (function)? JiiPee <no@notvalid.com> - 2015-10-02 17:08 +0100
  solution, thanks, seems like one suggestion lead to a solution JiiPee <no@notvalid.com> - 2015-10-02 17:07 +0100
    Re: solution, thanks, seems like one suggestion lead to a solution "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-10-02 20:29 +0200

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