Welcome to the JavaScript feedback portal. We’re happy you’re here! If you have feedback on how to improve the JavaScript, we’d love to hear it!

  • Check out the features or bugs others have reported and vote on your favorites. Feedback will be prioritized based on popularity.
  • If you have feedback that’s not listed yet, submit your own.

Thanks for joining our community and helping improve Syncfusion products!



We are trying to set the CSS class on a task but the class is actually being added as a new attribute, rather than being added to the class attribute.

See the attached screenshot. The sample HTML page is also attached.