console.debugLog level is not compatible between versions of Chrome / Chromium. The console interface has been changed in Chrome 58 . A detailed level is currently console.debugrequired .
If other console entries are undesirable at this log level, the console settings can be changed to For user messages only :

, console :
console.debug = console.log;
, AngularJS $log console, $log.debug debugEnabled, $log.log, AngularJS:
app
.config(['$provide', '$logProvider', ($provide, $logProvider) => {
$provide.value('$logProvider', $logProvider);
})
.decorator('$log', ['$logProvider', '$delegate', ($logProvider, $delegate) => {
$delegate.debug = function () {
if (!$logProvider.debugEnabled())
return;
$delegate.log.apply($delegate, arguments);
});
return $delegate;
});