JSFiddle - React, Tailwind, and code Playground
by ChrisStanyon
HTML
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js"></script>
<div class="form-group">
<label for="customer">Customer</label>
<select class="form-control" id="customer">
<option data-address="address 1">Customer 1</option>
<option data-address="address 2">Customer 2</option>
<option data-address="address 3">Customer 3</option>
<option data-address="address 4">Customer 4</option>
<option data-address="address 5">Customer 5</option>
</select>
</div>
<div class="form-group">
<label for="address">Address</label>
<input type="text" id="address" class="form-control">
</div>
CSS
body { padding: 20px; }
JavaScript
$('#customer').change(function() {
$('#address').val($('option:selected', this).data('address'));
});