JSFiddle - React, Tailwind, and code Playground
by dmethvin
HTML
<form>
<input type="radio" name="form[ust]" id="form-ust-7" value="7" />7%
<input type="radio" name="form[ust]" id="form-ust-19" value="19" checked="checked" />19%
<input type="radio" name="form[ust]" id="form-ust-a" value="a" />keine
<input type="radio" name="form[ust]" id="form-ust-a1" value="a1" />andere
<br />
<input type="text" name="form[steuerbetrag]" id="form-steuerbetrag" value="" />
</form>
JavaScript
alert("a");
$('input[name^="form[ust"],#form-steuerbetrag').show ();
alert("b");
$('input[name^="form[ust"]').add('#form-steuerbetrag').show ();
alert("c");