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Home/ Questions/Q 6016975
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Editorial Team
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Editorial Team
Asked: May 23, 20262026-05-23T03:03:42+00:00 2026-05-23T03:03:42+00:00

I’m having an issue with removing classes from a HTML input when that element

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I’m having an issue with removing classes from a HTML input when that element becomes empty.

Please see: http://jsfiddle.net/GgFXs/4/

This happens for a split second, or if you hold the backspace button in the field.
Any time after, the field takes on the ‘valid’ class – why? and how to fix?

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  1. Editorial Team
    Editorial Team
    2026-05-23T03:03:43+00:00Added an answer on May 23, 2026 at 3:03 am

    You’re mixing up functionality from the Validation plugin with your own code. You can remove the valid className, but the Validation plugin will add it back if it thinks the field is valid.

    If you want a blank field to be rejected by the Validation plugin, you’ll have to give it class="required". If you want to be monitoring, adding and removing classes manually, you’re not really using the Validation plugin as intended IMO.

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