2form
by bvotcode
HTML
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<h4>Example</h4>
<form id="pfformgi_11_63e4458e29053">
<input name="test2" value="2">
<button type="submit">Send</button>
</form>
JavaScript
$('<textarea rows="5" cols="50">').attr({
id: 'test-value',
name: 'test-value',
value: 'xyz'
}).appendTo('[id^="pfformgi"]');
//}).appendTo('[id*=form#pfformgi]');
//}).appendTo('form#pfformgi_11_63e4458e29053');
//$('#test-value').val('demo demo text')