This script clears caption text from multiple captions across multiple panels in Storyboard Pro

TB_Delete_Caption_Text.js

/*
-------------------------------------------------------------------------------
Name: TB_Delete_Caption_Text.js

Description: This script clears caption text from multiple captions across multiple panels.

Usage:

Author: Karl Olson & Corey Barnes

Created: 2018/8/26

Modified: 2018/8/30

Version: v.1.1

Notes: Should be functionally the same as version 1.0, just with better structure and naming.
 
-------------------------------------------------------------------------------
*/

function DeleteCaptions() {
  MessageLog.trace("Delete Captions--------- ");

  var selectionManager = new SelectionManager;
  var captionManager = new CaptionManager;
  var currentPanelSelection = selectionManager.getPanelSelection();
  if (currentPanelSelection.length <= 0) return;

  // Create a list of all caption box names.
  var captionNames = new Array(0);
  var numberOfCaptions = captionManager.numberOfPanelCaptions();

  for (var j = 0; j < numberOfCaptions; ++j) {
    var captionName = captionManager.nameOfPanelCaption(j);
    if (captionNames.indexOf(captionName) == -1)
      captionNames.push(captionName);
  }

  // Create a dialog displaying all caption names as checkboxes.
  captionSelectionDialog = new Dialog;
  captionSelectionDialog.title = "Delete Captions Named...";

  var group = new GroupBox;
  group.title = "Caption Names";
  var checkBoxesArray = new Array(0);

  for (var i = 0; i < captionNames.length; ++i) {
    var aCheckBox = new CheckBox;
    aCheckBox.text = captionNames[i];
    checkBoxesArray.push(aCheckBox);
    group.add(aCheckBox);
  }

  captionSelectionDialog.add(group);

  var rc = captionSelectionDialog.exec();

  // If dialog cancelled, return
  if (!rc) {
    return;
  }

  // Retrieve the selected caption names group.

  var patterns = new Array(0);

  for (var i = 0; i < checkBoxesArray.length; ++i) {
    if (checkBoxesArray[i].checked == true) {
      patterns.push(checkBoxesArray[i].text);
    }
  }

  // Delete the caption text.
  scene.beginUndoRedoAccum("Delete Captions");

  for (var i = 0; i < currentPanelSelection.length; i++) {
    for (var j = 0; j < patterns.length; j++) {
      captionManager.setPanelCaptionText(patterns[j], currentPanelSelection[i], "");
    }
  }
  scene.endUndoRedoAccum();

  // Prepare report.
  var finalMessage = "Captions cleared. :\n";
  MessageBox.information(finalMessage);
}

Gonna post a new revision with hopefully easier to understand names and structure after this note.