JSFiddle - React, Tailwind, and code Playground
HTML
<form>
<input name="blah" class="blah" value="heheheh"/>
<input name="foo" class="foo" value="hahahha"/>
</form>
<div class="template">
<p class="blah"></p>
<p class="foo"></p>
</div>
JavaScript
$("form input").each(function() {
$(".template").find("." + $(this).attr("class")).html(this.value);
});