HTML5 <input> required attribute but not inside <form> -

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this question has answer here:

the required attribute works great inside form tags:

<form> <input type="text" name="user" required> </form>

but can use required attribute if cannot wrap form? outside of form input required not work me:

<input type="text" name="user" required>

i can replicate javascript id know if outside form possible

the "required" attribute works on form submit , since input has no form browser not know validate on submit.

what w3c says "required": when present, specifies input field must filled out before submitting form.

this possible js like:

document.getelementbyid('your_input_id').validity.valid

already discussed here 4 years ago:

html5 input type required without form. work?


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