JSFiddle - React, Tailwind, and code Playground

HTML

<form onsubmit="return false;/*do ajax*/" autocomplete="on" target="the_iframe">
    <input id="foo" name="foo"/> 
    <input type="submit" />
</form>
<iframe id="the_iframe" name="the_iframe" src="javascript:false"></iframe>

CSS

#the_iframe {
    display: none;
}