Answer Posted / snc

We can use a simple JavaScript code linked to an event
trigger of any form field. In the JavaScript code, we can
call the document.form.submit () function to submit

Example 1
<form method='post' action='some_action'>
<select name='something' onchange=‘this.form.submit () ;'>
<option value='1'>1</option>
<option value='2'>2</option>
</form>

Example 2
<form method='post' action='something'>
<input type='checkbox' name='something'
onclick=‘this.form.submit ()'>
</form>

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