Hi, In my visualforce page, I want to call apex method through javascript. Following is the code for the same. Code is working fine for Save1 button but not for Save button. Both the button call the same javascript method.

Please guide.

VisualForce Page

<apex:page controller="apexVFJavascript" tabStyle="Opportunity" >
         
            <apex:form >
              <apex:actionFunction name="customAction" action="{!customAction}" rendered="true" rerender="myStatus" >
                  <apex:param name="firstParam" value="" assignTo="{!first}"/>
                  <apex:param name="secondParam"  value="" assignTo="{!second}"/>
              </apex:actionFunction>              
            </apex:form> 
             <apex:form >
                 <apex:pageBlock >
                     <apex:commandButton onclick="doAction()" id="Save" title="Save" value="Save"/> <!-- not working for this button -->
                     <apex:outputPanel onclick="doAction()" styleClass="btn">Save</apex:outputPanel> <!-- working for this -->
                 </apex:pageBlock>
                 <script>
                     function doAction() {
                         customAction('1','2');
                     }
                 </script>
             </apex:form>
             
            <apex:outputPanel id="out">
            <apex:outputText value="Hello "/>
            <apex:actionStatus startText="requesting..." id="myStatus">
            <apex:facet name="stop">{!first} - {!second}</apex:facet>
            </apex:actionStatus>
            </apex:outputPanel>                        
</apex:page>

 Component Class

public class apexVFJavascript {

    
    
    private String first='one',second='two';
    
    public void setFirst(String s) {
        this.first = s;
    }
    
    public String getFirst() {
        return first;
    }
    
    public void setSecond(String s) {
        this.second = s;
    }
    
    public String getSecond() {
        return this.second;
    }
    
    public PageReference customAction() {
        Apexpages.addMessage(new Apexpages.Message(Apexpages.Severity.FATAL,'Error Message'));
    
        System.debug(first);
        System.debug(second);
        return null;
    }            
}