Ember.js - DOM events

components.my-form.js

import Ember from 'ember';

export default Ember.Component.extend({
  submit(e) {
    e.preventDefault();
    alert("I'm native DOM event");
  }
});

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

{{my-form}}

templates.components.my-form.hbs

<form>
  <input type="text" placeholder="Name" />
  <button type="submit">Submit</button>
</form>

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "3.4.2"
  }
}