JSFiddle - React, Tailwind, and code Playground
by nickolsky
HTML
<div>
Upload file: <input type=file>
</div>
<div>
<select id='action'>
<option value='reprocess'>Reprocess</option>
<option value='replace'>Replace</option>
<option value='regex-replace'>Regex Replace</option>
</select>
</div>
<div class='extras opt-replace' style='display:none'>
Search string: <input type="text">
</div>
<div class='extras opt-replace' style='display:none'>
Replace string: <input type="text">
</div>
<div class='extras opt-regex-replace' style='display:none'>
Search string: <input type="text">
</div>
<div class='extras opt-regex-replace' style='display:none'>
Replace string: <input type="text">
</div>
JavaScript
$("#action").change(function() {
$(".extras").hide();
console.log($(this).val());
$(".opt-" + $(this).val()).show();
});