Hi,

To impose a word limit on CKEditor instances, you can make use of CKEditor's event system to listen to the input event and apply a word count logic. CKEditor does not provide a built-in word limit feature, so you'll need to implement a custom solution to count the words and prevent further input when the limit is reached.

const textareaElements = document.querySelectorAll('[data-ckeditor="true"]');
const MAX_WORDS = 100; // Set your word limit here

textareaElements.forEach(el => {
  ClassicEditor.create(el).then(editor => {
    // Listen to the input event in the editor
    editor.model.document.on('change:data', () => {
      // Get the editor content as plain text
      const text = editor.getData().replace(/<[^>]*>/g, '').trim();
      
      // Count the number of words
      const words = text.split(/\s+/).filter(word => word.length > 0);
      const wordCount = words.length;
      
      // If the word count exceeds the limit, prevent more input
      if (wordCount > MAX_WORDS) {
        alert(`You have reached the maximum word limit of ${MAX_WORDS} words.`);
        
        // Optionally, trim the content to the maximum allowed number of words
        const limitedText = words.slice(0, MAX_WORDS).join(' ');
        
        // Set the truncated content back into the editor
        editor.setData(limitedText);
      }
    });
  }).catch(error => {
    console.error('There was a problem initializing CKEditor:', error);
  });
});

For more info please check CKEditor Docs.

Regards, Sean