<!DOCTYPE html>
<html>
<head>
<script src="https://code.jquery.com/jquery-git.js"></script>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>Remove all the options of a select box and then add one option and select it with jQuery</title>
</head>
<body>
<select id='myColor'>
<option value="Red">Red</option>
<option value="Blue">Blue</option>
<option value="Green">Green</option>
</select>
<input type="button" value="Click to Remove all Options" onclick="Remove_options()"/>
</body>
</html>
JavaScript Code :
function Remove_options()
{
$('#myColor')
.empty()
.append('<option selected="selected" value="test">White</option>');
}
JavaScript Code :