Entry

How can my applet call into JavaScript?

Feb 25th, 2000 08:44
Martin Honnen, Netscape client side JavaScript guide and reference docs

Applets which have the 
  MAYSCRIPT
attribute set(for instance
  <APPLET NAME="anApplet" MAYSCRIPT ...>
 or
  <EMBED NAME="anApplet" MAYSCRIPT="true">
  if you use the java plugin)
can call into Javascript by importing
  import netscape.javascript.*;
and then at least instantiating
  JSObject window = JSObject.getWindow(this);
the JavaScript window object. Now your Java code can follow the 
Javascript object hierachy e.g.
  JSObject document = window.getMember("document")
  JSObject forms = document.getMember("forms");
or set properties with
  window.setMember ("aVariable", "Kibology");
or eval code
  window.eval("alert('Kibology');");
or call methods of JavaScript objects
  String args[] = new String[1];
  args[0] = "Kibology";
  window.call ("alert", args);

A Java applet calling into JavaScript is part of what Netscape calls 
Liveconnect and is around in NN3+ and at least IE5, IE4 seems to depend 
on the JVM you have installed.