ionic-framework/js/framework/framework-init.js

(function(window, document, framework) {

  function initalize() {
    // remove the ready listeners
    document.removeEventListener( "DOMContentLoaded", initalize, false );
    window.removeEventListener( "load", initalize, false );

    // trigger that the DOM is ready
    framework.trigger("ready");

    // trigger that the start page is in view
    framework.trigger("pageview");
  }

  // When the DOM is ready, initalize the webapp
  if ( document.readyState === "complete" ) {
    // DOM is already ready
    setTimeout( initalize );
  } else {
    // DOM isn't ready yet, add event listeners
    document.addEventListener( "DOMContentLoaded", initalize, false );
    window.addEventListener( "load", initalize, false );
  }

})(this, document, FM = this.FM || {});