Issue #4148๐Ÿ’ฌ AnsweredOpened Feb 18, 2022by varadero2 reactions

0.18.2 / 0.18.3 removes all on... HTML attributes when block is drag-dropped in the builder

Quick answerby Ju99ernautโค 1

That is the expected behaviour as stated in the release notes for 0.18.2

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Question

GrapesJS version[X] I confirm to use the latest version of GrapesJSWhat browser are you using? Chrome v99Reproducible demo link https://jsfiddle.net/jLo3qh7s/10/Describe the bug How to reproduce the bug?Create a block with content <input oninput="alert('123)" />Put that block into the builderLook at the HTML code What is the expected behavior? All on... HTML attributes are retained What is the current behavior? All the on... HTML attributes are removed NOTE: Grapesjs 0.18.1 does not have this problem - 0.18.2 and 0.18.3 has it. If is necessary to execute some code in order to reproduce the bu...

Answers (3)

Ju99ernautโ€ข Feb 21, 2022

That is the expected behaviour as stated in the release notes for 0.18.2

artfโ€ข Feb 21, 2022

Correct. In case you need to enable unsafe attributes (at your own risk), you can do it via config.parser.optionsHtml.allowUnsafeAttr option.

GJSBlockโ€ข May 17, 2026

Thanks for reporting this, @varadero. Great question about 0.18.2 / 0.18.3 removes all on... HTML attributes when block is drag-dropped in the builder. The recommended approach with GrapesJS is to use the event-driven API. Start here: Check the GrapesJS documentation for your specific module Look f...

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