Add_and_Delete_Ribbion.js

$(document).ready(function() {  
        //SP.SOD.executeOrDelayUntilScriptLoaded(AddCustomUserAction, "sp.js");
        SP.SOD.executeOrDelayUntilScriptLoaded(DeleteCustomActions, "sp.js");
    });  
    
    function DeleteCustomActions() {
	    var listTitle = "Pension Files";
	    context = new SP.ClientContext();
	    var web = context.get_web();
        var list = context.get_web().get_lists().getByTitle(listTitle);
	    customActions = list.get_userCustomActions();
	    context.load(list);
	    context.load(customActions);
	    context.executeQueryAsync(Function.createDelegate(this, this.onSuccess), Function.createDelegate(this, this.onFailure));
	}
	
	function onSuccess() {
	    var customActionEnumerator = customActions.getEnumerator();
	    while (customActionEnumerator.moveNext()) {
	        var oUserCustomAction = customActionEnumerator.get_current();
	        console.log(oUserCustomAction.get_title());
	        
	        if (oUserCustomAction.get_commandUIExtension().indexOf('Show List ID') > -1){
	        	oUserCustomAction.deleteObject();
	            context.load(oUserCustomAction);
	            context.executeQueryAsync(Function.createDelegate(this, this.onQuerySucceededdelete), Function.createDelegate(this, this.onQueryFailed));
	        }
	    }
	    
    	function onQuerySucceededdelete() {
		    alert('Custom Actions Deleted Successfully');
		}
		
		function onQueryFailed(sender, args) {
		    alert('Error Occurred.' + args.get_message() + '\n' + args.get_stackTrace());
		}
	}
	
	
	function onFailure(sender, args) {
	    alert('Error Occurred.' + args.get_message());
	}  
		
  function AddCustomUserAction() {  
    var listTitle = "Pension Files";
      //Get the client context and list object  
      var context = new SP.ClientContext.get_current();
      var list = context.get_web().get_lists().getByTitle(listTitle);
      //Get the custom user action collection and add the user action  
      var customUserAction = list.get_userCustomActions().add();  
      //Set the location of the user action  
      customUserAction.set_location('CommandUI.Ribbon.EditForm');  
      //Add the properties for the custom action  
      var userActionExtension = 
      '<CommandUIExtension xmlns="http://schemas.microsoft.com/sharepoint/">' 
        + '<CommandUIDefinitions>' 
          + '<CommandUIDefinition Location="Ribbon.ListForm.Edit.Actions.Controls._children">' 
            + '<Button Id="Ribbon.Documents.New.RibbonTest" Command="Notify" Sequence="0" Image16by16="/_layouts/images/NoteBoard_16x16.png" Image32by32="/_layouts/images/NoteBoard_32x32.png" Description="Shows the ID of the current list." LabelText="Show List ID" TemplateAlias="o1"/>' 
        + '</CommandUIDefinition>'
    + '</CommandUIDefinitions>' 
    + '<CommandUIHandlers>' 
      + '<CommandUIHandler Command="Notify" CommandAction="javascript:SP.UI.Notify.addNotification(\'ListId={ListId}\');" />' 
    + '</CommandUIHandlers>' 
  + '</CommandUIExtension>';
      //Add the command UI extension and update the custom user action  
      customUserAction.set_commandUIExtension(userActionExtension)  
      customUserAction.update();  
      //Load the client context and execute the batch  
      context.load(list, 'UserCustomActions');  
      context.executeQueryAsync(function() {  
          console.log("Custom User Action added successfully to ribbon.");  
      }, function(sender, args) {  
          console.log(args.get_message());  
      });  
  }