javascript - Knockout unexpected identifier "." -

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I am creating a new app with knockout and I am having a very strange error. I use the knockout for a while and never had this error before.

Every time I try to use "$ root". Pseudoselector returns to knockout: 

  Unwanted syntax error: Unable to parse binding Binding value: Click: .createAlarm message: Unexpected token

This case In, was compulsive: 

  & lt; Button class = 'btn' data-bind = 'click: $ root.createAlarm' & gt; New alarm & lt; / Button & gt;

The same thing happened when I tried to refer to a view model function inside a foreach binding.

Here is my code: 

  View function mode () {var itself = this; Set the initial time for // data // alarm itself. Bell = helm (moment (hour) (hours); Self. Alarmminute = K. Horsele (moment (.) Minute ()); Self.alarmSecond = ko.observable (moment (.) Seconds ()); Self.chosenAlarmTrack = ko.observable (); Self.alarms = ko.observableArray (); // methods themselves .createAlarm = function () {var timeNow = moment () var alarmTime = getNewTime (self.alarmHour), self.alarmMinute (), self.alarmSecond ()); Var alarm time = moment (alarm time) if (tymoon isiater (alarmtime)) {alarmTime.add (1, "day"); } Self.alarms.push (new alarm (alarmtime, self choseen alarm track))}} $ (document) .ready (function () {var vm = new ViewModel (); ko.applyBindings (vm);})  
 Since php templates require PHP variables as  $ , you need to do this as  $  its html code  And for <36>  equivalent to # 36. Instead of using 
 
 
 
  $ parent $ root  
 
 
 
  & amp; ; # 36; Parents & amp; # 36; Route

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