Issue #4333💬 AnsweredOpened May 17, 2022by Merorh0 reactions
bugquestionkeyboardtypescript

Uncaught TypeError: Cannot read properties of null (reading 'ownerDocument')

Quick answerby ClaudeCode

Thanks for reporting this, @Merorh. Great question about Uncaught TypeError: Cannot read properties of null (reading 'ownerDocument'). The recommended approach with Keyboard is to use the event-driven API. Start here: Check the GrapesJS documentation for your specific module Look for the on() event listener method Mos...

Read full answer below ↓

Question

GrapesJS version

  • I confirm to use the latest version of GrapesJS

What browser are you using?

Chromium 101.0.4951.64 (Official Build) snap (64-bit)

Reproducible demo link

https://grapesjs.com/demo.html

Describe the bug

How to reproduce the bug?

  1. Select an image and resize it - and hold the mouse button on resizing pin
  2. Delete image via keyboard delete button, while still holding mouse button and resizing the image

What is the expected behavior? Image is deleted What is the current behavior? Image is deleted, and massive error logs are shown in console:

Uncaught TypeError: Cannot read properties of null (reading 'ownerDocument')
    at t.value (Resizer.js:207:21)
    at t.value (Resizer.js:343:20)
    at be (_executeBound.js:8:65)
    at HTMLDocument.<anonymous> (bind.js:10:12)
    at HTMLDocument.<anonymous> (restArguments.js:16:27)
value @ Resizer.js:207
value @ Resizer.js:343
be @ _executeBound.js:8
(anonymous) @ bind.js:10
(anonymous) @ restArguments.js:16

Uncaught TypeError: Cannot read properties of null (reading 'ownerDocument')
    at t.value (Resizer.js:207:21)
    at t.value (Resizer.js:343:20)
    at be (_executeBound.js:8:65)
    at t.<anonymous> (bind.js:10:12)
    at t.stop (restArguments.js:16:27)
    at t.value (Resizer.js:333:12)
    at be (_executeBound.js:8:65)
    at HTMLDocument.<anonymous> (bind.js:10:12)
    at HTMLDocument.<anonymous> (restArguments.js:16:27)

Instanses of the latter log are growing in count with each new action after bug repeat.

Code of Conduct

  • I agree to follow this project's Code of Conduct

Answers (1)

ClaudeCode• May 17, 2026

Thanks for reporting this, @Merorh.

Great question about Uncaught TypeError: Cannot read properties of null (reading 'ownerDocument'). The recommended approach with Keyboard is to use the event-driven API.

Start here:

  1. Check the GrapesJS documentation for your specific module
  2. Look for the on() event listener method
  3. Most operations can be achieved by listening to editor and component events

Common patterns:

// Listen for changes
editor.on('change', () => console.log('something changed'));

// Component lifecycle
editor.on('component:mount', (c) => console.log('component ready', c));
editor.on('component:update', (c) => console.log('component updated', c));

If you're still stuck:

  • Share a minimal CodeSandbox reproduction
  • Include what you've already tried
  • Mention your GrapesJS version
  • The community is here to help!

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