JSFiddle - React, Tailwind, and code Playground
by oceog
HTML
<form id='double' method="GET" action="http://google.com/search">
<input name="q" type="text">
<button class="Submit" data-target=""> Submmit here</button>
<button class="Submit" data-target="_blank"> Open new</button>
</form>
JavaScript
$('button.Submit').click( function() {
var t=$(this);
var form=t.parents('form');
form.attr('target',t.data('target'));
form.submit();
return false;
});