document.write('
');
document.write('
');
document.write('var dwin = null;
');
document.write('function debug(msg) {
');
document.write(' if ((dwin == null) || (dwin.closed)) {
');
document.write(' dwin = window.open("","debugconsole","scrollbars=yes,resizable=yes,height=100,width=300");
');
document.write(' dwin.document.open("text/html", "replace");
');
document.write(' }
');
document.write(' dwin.document.writeln(\'<br/>\'+msg);
');
document.write(' dwin.scrollTo(0,10000);
');
document.write(' dwin.focus();
');
document.write(' // dwin.document.close(); // uncomment this if you want to see only last message , not all the previous messages
');
document.write('}
');
document.write('
');
document.write('
');
document.write('
');
document.write('');
document.write('add the above code in you page first.');
document.write('');
document.write('Try the following for example.');
document.write('for(var i=0;i<10;i++){');
document.write(' debug(i);');
document.write(' //... you other statements here');
document.write('}');
document.write('');
document.write('this will open a new debug window and show/ouputs the value of i ');
document.write('
');