obal%22%3Afalse%2C%22fastboot%22%3A%7B%22hostWhitelist%22%3A%5B%7B%7D%5D%7D%2C%22ember-collapsible-panel%22%3A%7B%7D%7D" />
<!-- EMBER_CLI_FASTBOOT_TITLE -->  <meta name="ember-cli-head-start" content>  <title>JavaScript Primer - Getting Started - Ember Guides</title>

  <meta name="description" content="Many new features were introduced to JavaScript with the release of newer specifications like ECMAScript 2015, also known as ECMAScript 6 or ES6. While the Guides assume you have a working knowledge of Java