What are some common techniques for implementing a text editor with editing functions similar to those used by websites like Web.de?

To implement a text editor with editing functions similar to those used by websites like Web.de, common techniques include using a rich text editor library like CKEditor or TinyMCE, implementing functionalities such as text formatting, image uploading, and hyperlink insertion, and integrating these features with server-side code to handle saving and retrieving the edited content.

<!DOCTYPE html>
<html>
<head>
  <script src="https://cdn.ckeditor.com/4.16.2/standard/ckeditor.js"></script>
</head>
<body>
  <textarea name="editor1"></textarea>
  <script>
    CKEDITOR.replace('editor1', {
      toolbar: [
        { name: 'basicstyles', items: ['Bold', 'Italic', 'Underline', 'Strike', 'Subscript', 'Superscript', '-', 'RemoveFormat'] },
        { name: 'styles', items: ['Format'] },
        { name: 'colors', items: ['TextColor', 'BGColor'] },
        { name: 'links', items: ['Link', 'Unlink'] },
        { name: 'insert', items: ['Image', 'Table', 'HorizontalRule'] },
        { name: 'document', items: ['Source'] }
      ]
    });
  </script>
</body>
</html>