aria-errormessage

components.input-number.js

import Ember from 'ember';

export default Ember.Component.extend({
  ariaLive: "off",
  ariaInvalid: "false",
  showMessage: false,
  numbervalue:'',
  change: function(e) {
    //alert(e.target.value);
    if(e.target.value==="1234"){
      //alert('x');
      this.set('ariaLive','off');
      this.set('ariaInvalid','false');
      this.set('showMessage',false);
  	} else {
      this.set('ariaLive','assertive');
      this.set('ariaInvalid','true');
      this.set('showMessage',true);
    }
    this.sendAction('on-change', e.target.value);
  },
  actions: {
    clcikedit: function(value){
      alert(value);
    }
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

controllers.index.js

import Ember from 'ember';

export default Ember.Controller.extend({
  
    numbervalue: "234",
  
  actions:{
    changedit: function(numbervalue){
      alert(numbervalue);
    	this.set('numbervalue',numbervalue);
    }
  }
});

routes.index.js

import Ember from 'ember';

export default Ember.Route.extend({

});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

templates.components.input-number.hbs

{{yield}}
<label for="doNum"> Number: </label>
<input id="doNum" type="number" aria-errormessage="message" value={{numbervalue}} aria-invalid={{ariaInvalid}} {{action 'clcikedit' numbervalue}}><br>

<p id="message" aria-live={{ariaLive}} style="color:red;">
{{#if showMessage}}
 Invalid Num:  the time must be between 9:00 AM and 5:00 PM 
{{/if}}
</p>
{{numbervalue}}

templates.index.hbs

{{input-number numbervalue=numbervalue on-change="changedit"}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}