How to invoke javascript function from Backing Bean in ADF

Usecase :   Invoke a java script method from backing bean based on some condition satisfies from managed/backing bean using ADF

Implementation :  Have below code in managed/backing bean.


         FacesContext fctx = FacesContext.getCurrentInstance();
         ExtendedRenderKitService erks = Service.getRenderKitService(fctx, ExtendedRenderKitService.class);      
         // Invoke a java script method name called showConfPopup()' with two parameters, You can pass any value 
         erks.addScript(fctx, "showConfPopup('" + popupClientId + "', '" + tabClientId + "')");  

Java Script Method , 

Include below code in any jspx in <af:document> element


<af:document>
<f:facet name="metaContainer">
          <af:resource type="javascript">

                  function showConfPopup(popupId, tabId){
                       alert("Hello");
                  }

          </af:resource>
        </f:facet>

Another way of invoking

<af:document id="d1">

 

  <af:clientListener method="onPageLoad" type="load"/>

  <f:facet name="metaContainer">

    <af:resource type="javascript">

      function onPageLoad(evt) {

        alert("Hello");

      }

    </af:resource>

  </f:facet>

</af:document>