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Category: checkboxes

POSTing an Indeterminate Checkbox Value

There is a such thing as an indeterminate checkbox value. It’s a checkbox () that isn’t checked. Nor is it not checked. It’s indeterminate. We can even select a checkbox in that state and style it with CSS! Some curious points though: It’s only possible to set via JavaScript. There is no HTML attribute or value for it. It doesn’t POST (or GET or whatever else) or have a value. It’s like being unchecked. So, say you had a form like this: And, for whatever reason, you make that checkbox indeterminate: let veg = document.querySelector(".veg"); veg.indeterminate = true; If...

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