an input text element posts an empty string
I am wondering about a form tag which has the name “form1” and no assigned value.
by null I mean “not set”.
an input text element posts an empty string I am wondering about a form
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an input text element posts an empty string
I am wondering about a form tag which has the name “form1” and no assigned value.
by null I mean “not set”.
It posts an empty string (if that’s relevant to the input type). You can’t post a null because HTTP doesn’t have a native representation for the concept. (You can post, for example, a JSON string that decodes to a null, but that’s not the same thing.)
It’s possible that what you meant by “posting a null” is posting a set of form key:value pairs that has no key corresponding to the element in question. That’s what happens if you disable the element; if a text input, for example, is not disabled and has no value set, a key:value pair gets posted for it where the value is an empty string.