remove section table of contents

function removeTableOfContentsSection() {
  // Access the active Google Document
  var doc = DocumentApp.getActiveDocument();
  var body = doc.getBody();
  var totalElements = body.getNumChildren();
  
  var startIndex = -1;
  var endIndex = totalElements; // Default to end of document
  
  // Iterate through all elements to find the 'Table of Contents' heading
  for (var i = 0; i < totalElements; i++) {
    var element = body.getChild(i);
    
    // Check if the element is a paragraph
    if (element.getType() == DocumentApp.ElementType.PARAGRAPH) {
      var paragraph = element.asParagraph();
      var heading = paragraph.getHeading();
      var text = paragraph.getText().trim();
      
      // Check for Heading 2 with exact text 'Table of Contents'
      if (heading == DocumentApp.ParagraphHeading.HEADING2 && text === 'Table of Contents') {
        startIndex = i;
        
        // Find the index of the next heading after 'Table of Contents'
        for (var j = i + 1; j < totalElements; j++) {
          var nextElement = body.getChild(j);
          
          if (nextElement.getType() == DocumentApp.ElementType.PARAGRAPH) {
            var nextParagraph = nextElement.asParagraph();
            var nextHeading = nextParagraph.getHeading();
            
            // If the next paragraph is a heading (any level), set endIndex and stop searching
            if (nextHeading != DocumentApp.ParagraphHeading.NORMAL) {
              endIndex = j;
              break;
            }
          }
        }
        
        // Once 'Table of Contents' is found and endIndex is determined, exit the loop
        break;
      }
    }
  }
  
  // If 'Table of Contents' was found, remove the section
  if (startIndex != -1) {
    // Remove elements from startIndex to endIndex - 1
    for (var i = endIndex - 1; i >= startIndex; i--) {
      body.removeChild(body.getChild(i));
    }
    
    // Optional: Inform the user that the section was removed
    DocumentApp.getUi().alert("The 'Table of Contents' section has been removed from the document.");
  } else {
    // Inform the user if 'Table of Contents' was not found
    DocumentApp.getUi().alert("No Heading 2 with text 'Table of Contents' was found in the document.");
  }
}