JSFiddle - React, Tailwind, and code Playground
HTML
<script src="http://code.jquery.com/ui/1.10.1/jquery-ui.js"></script>
<link rel="stylesheet" href="http://code.jquery.com/ui/1.10.1/themes/base/jquery-ui.css">
<div id="bottomContent">
<input type="text" id="StartDate" name="StartDate"><br />
<input type="text" id="EndDate" name="EndDate"><br />
<label for="AllDate"><input type="checkbox" name="AllDate" id="AllDate">All Dates</label>
</div>
JavaScript
$('#bottomContent :input').datepicker();
$('#bottomContent').on('change', '#StartDate', function(e){
$('#AllDate')[0].checked = $(this).val().length > 0;
});