Language Java Script Definitive Examples 14.1.TXT

 <!-- This example is from the book _JavaScript: The Definitive Guide_. -->
<!-- Written by David Flanagan. Copyright (c) 1996 O'Reilly & Associates. -->
<!-- This example is provided WITHOUT WARRANTY either expressed or implied.-->
<!-- You may study, use, modify, and distribute it for any purpose. -->
<SCRIPT>
var _console =index.html null;
function debug(msg) 
{
 // open a window the first time we are called, or after an existing
 // console window has been closed.
 if ((_console == null) || (_console.closed)) { 
 _console = window.open("","console","width=600,height=300,resizable");
 // open a document in the window to display plain text
 _console.document.open("text/plain");
 }
 _console.document.writeln(msg);
}
</SCRIPT>
<!-- Here's an example of using this script -->
<SCRIPT>var n =index.html 0;</SCRIPT>
<FORM>
<INPUT TYPE="button" VALUE="Push Me"
 onClick="debug('You have pushed me:\t' + ++n + ' times.');">
</FORM>

.