JSFiddle - React, Tailwind, and code Playground
by dfsq
HTML
<form action="" method="GET" name="form1" class="style1" id="form1">
<p align="center">Select Section
<select name="section" required ><option selected="selected" disabled="disabled">Select Section</option>
<option>ALL</option>
<option>RWS</option>
<option>Structure</option></select>
From
<input name="fromdate" type="date" placeholder="YYYY-DD-MM" required id="mydate" data-lang="en" data-years="2014-2050" data-format="YYYY-MM-DD"/>
To
<input name="todate" type="date" placeholder="YYYY-DD-MM" required id="mydate1" data-lang="en" data-years="2015-2055" data-format="YYYY-MM-DD"/>
<input name="submit-btn" type="submit" id="submit-btn" value="SHOW" />
</p>
</form>
JavaScript
$('#form1 select').on('change', function() {
this.form.submit();
});