(function ( $ ) {
 
    $.fn.greenify = function( options ) {
        var settings = $.extend({
            color: "#556b2f",
            backgroundColor: "white"
        }, options );
 
        return this.css({
            color: settings.color,
            backgroundColor: settings.backgroundColor
        });
 
    };
 
}( jQuery ));ReactDOM.render(
  <h1>Hello, world!</h1>,
  document.getElementById('example')
);
HTMLTemplateElement extends HTMLElement {
    content: DocumentFragment
}https://www.polymer-project.org/1.0/
http://x-tag.github.io/
http://brick.mozilla.io/