Register button on event widget

[Rosy14]

Hi,

I want to add  seperate regiter button on every event. {{::item.data_sys_id}} and data.url rerturning correct value but in href it is not correct url. how to pass the script value in href?

<p class="end-date">
                {{::item.date_line_two}}
                {{::item.data_sys_id}}
              </p>
            <div cd-html html="{{::item.html}}" item="item" disable-tracking="c.data.isContentPreview" action="clickAction" />
            </div>
            <!--RD-->
            <script>
              function getUrl(){
            	var url = "{{data.eventUrl}}+{{::item.data_sys_id}}";
              }
            </script>
							 <a href = "javascript&colon;getUrl();">
      <button class="btn btn-primary action-btn pull-right">
     Register
      </button></a>