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How can I use JavaScript from within my Java Applet?

Posted on 2004-04-29
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Last Modified: 2010-03-31
Hello,
Apparently using the MAYSCRIPT param in the Applet HTML tag you can allow the Applet to use JavaScript. I was wondering how to go about doing this.
I want to be able to close the browser window from within the applet and using JavaScript seems like a good way.
Thanks,
Adam
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Question by:aj72886
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3 Comments
 
LVL 13

Accepted Solution

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Webstorm earned 100 total points
ID: 10951910
Hi aj72886,

You can call an applet method from javascript, for example :
<html><body>
<applet code="MaClasse.class" name="my"></applet>
<form>
<input type=button value="Call Javascript"  
       onclick="if (my) {my.callJavascript();}">
</form>
</body></html>
the javascript code call a method named "callJavascript".

And calling javascript from a java applet is browser specific. For Netscape :

import netscape.javascript.JSObject;

...
   try
      {
      JSObject win = JSObject.getWindow(this);
      win.eval("alert('javascript called');");  // <-- javascript code
      }
    catch (Exception e)
      {
      System.out.println("Exception:Javascript");
      e.printStackTrace();
       }

Or you can see  http://www.rgagnon.com/javadetails/java-0172.html
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