![Replace empty string to null in form submit, and JS limitation in Changeset Object - App Building - Retool Forum Replace empty string to null in form submit, and JS limitation in Changeset Object - App Building - Retool Forum](https://community.retool.com/uploads/default/original/3X/b/0/b0ebf645315533703a11123105d2be22d31d5e35.png)
Replace empty string to null in form submit, and JS limitation in Changeset Object - App Building - Retool Forum
![Replace empty string to null in form submit, and JS limitation in Changeset Object - App Building - Retool Forum Replace empty string to null in form submit, and JS limitation in Changeset Object - App Building - Retool Forum](https://community.retool.com/uploads/default/original/3X/9/b/9b88efd35ddc4b74c8988d22424828228cfbf6b3.png)
Replace empty string to null in form submit, and JS limitation in Changeset Object - App Building - Retool Forum
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javascript - How is it possible for an empty string to have a length greater than 0? - Stack Overflow
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