wildcard context

components.my-component\.js

import Component from '@ember/component';

export default Component.extend({
  // Functions
  actions: {
    checkWildcardContext() {
    	console.log("$('*')", $('*'));
      console.log("this.$('*')", this.$('*'));
    }
  }
});

controllers.application\.js

import Controller from '@ember/controller';

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';
}

templates.application\.hbs

{{my-component}}

{{outlet}}

templates.components.my-component\.hbs

<button id="my-button" class="btn" onclick={{action "checkWildcardContext"}}>check wildcard context</button>

<pre>Check the console</pre>

twiddle\.json

{
  "version": "0.17.1",
  "EmberENV": {
    "FEATURES": {},
    "_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
    "_APPLICATION_TEMPLATE_WRAPPER": true,
    "_JQUERY_INTEGRATION": true
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.js",
    "ember": "2.18.2",
    "ember-template-compiler": "2.18.2",
    "ember-testing": "2.18.2"
  },
  "addons": {
    "@glimmer/component": "1.0.0",
    "ember-data": "2.18.5"
  }
}