Title: Add javascript validation on comment
Last modified: August 21, 2016

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# Add javascript validation on comment

 *  [asdfg asdf](https://wordpress.org/support/users/wetwetwafu/)
 * (@wetwetwafu)
 * [12 years, 1 month ago](https://wordpress.org/support/topic/add-javascript-validation-on-comment/)
 * Hi,
 * I have the pro version and I want to modify the functionality of comment area.
   I want to add a javascript validation that will detect if the comment field is
   empty or not.
 * I modified the “wp-content\plugins\nextgen-gallery-pro\modules\nextgen_pro_lightbox\
   static\theme\galleria.nextgen_pro_lightboxs.js” but the changes in script doesn’t
   take effect.
 * How can i add this validation before the ajax submit fire up.
 * Thanks
 * [https://wordpress.org/plugins/nextgen-gallery/](https://wordpress.org/plugins/nextgen-gallery/)

The topic ‘Add javascript validation on comment’ is closed to new replies.

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## Tags

 * [javascript](https://wordpress.org/support/topic-tag/javascript/)
 * [validation](https://wordpress.org/support/topic-tag/validation/)

 * 0 replies
 * 1 participant
 * Last reply from: [asdfg asdf](https://wordpress.org/support/users/wetwetwafu/)
 * Last activity: [12 years, 1 month ago](https://wordpress.org/support/topic/add-javascript-validation-on-comment/)
 * Status: not resolved