Uncaught TypeError: undefined is not a function Chrome not working

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I have an application launching an applet. When I try to click on the login button in Chrome I get the following error

applet.htm:54 Uncaught TypeError: undefined is not a function
engine.js:1262 console.trace()
engine.js:1262 dwr.engine._debug
engine.js:1263 Error: TypeError, undefined is not a function

Code applet.htm line 54(Uncaught TypeError: undefined is not a function) :

function initApplet() {
    while(ctiApplet.isActive()==false) {

    }

lines 1257 - 1281 of engine.js

/** @private Used internally when some message needs to get to the     programmer */
dwr.engine._debug = function(message, stacktrace) {
  var written = false;
  try {
    if (window.console) {
      if (stacktrace && window.console.trace) window.console.trace();
      window.console.log(message);
      written = true;
    }
    else if (window.opera && window.opera.postError) {
      window.opera.postError(message);
      written = true;
    }
  }
  catch (ex) { /* ignore */ }

  if (!written) {
    var debug = document.getElementById("dwr-debug");
    if (debug) {
      var contents = message + "<br/>" + debug.innerHTML;
      if (contents.length > 2048) contents = contents.substring(0, 2048);
      debug.innerHTML = contents;
    }
  }
};

Really can't understand why it is undefined. Its like it can't get a hold on the applet so doesn't realise its loaded. works on IE8. If anyone can shed any light on it.

asked 14 secs ago

topcat3

599

Uncaught TypeError: undefined is not a function Chrome not working