JSFiddle - React, Tailwind, and code Playground

by Sam Liew

HTML

<input type="checkbox" name="supplied" id="supplied" value="supplied" class="aboveage2" />
  <input type="checkbox" name="supplied" id="supplied_1" value="supplied" class="aboveage2" />
  <input type="checkbox" name="supplied" id="supplied_2" value="supplied" class="aboveage2" />
  <input type="checkbox" name="supplied" id="supplied_3" value="supplied" class="aboveage2" />
  <input type="checkbox" name="supplied" id="supplied_4" value="supplied" class="aboveage2" />
  <input type="checkbox" name="supplied" id="supplied_5" value="supplied" class="aboveage2" />

<ul id="date" style="display:none">
    <li><input id="start" name="start" size="5" type="text" class="small" value="1" /></li>
    <li><input id="end" name="end" size="5" type="text" class="small" value="2" /></li>
</ul>

JavaScript

$('.aboveage2').live('change', function() {

    if ( $(".aboveage2:checked").length > 0 ) {
        $('#date').show();
    } else {
        $('#date').hide();
    }
});