<!DOCTYPE HTML>
<html>
<head>
<title>
JQuery | Remove options from select.
</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js">
</script>
</head>
<body style="text-align:center;" id="body">
<select>
<option value="javascript"> Javacript book</option>
<option value="css"> Css book</option>
<option value="git"> Git book</option>
<option value="html"> Html book</option>
</select>
<button> Remove </button>
<script>
$('button').on('click', function() {
$("option[value='css']").remove();
});
$('button').on('click', function() {
$('option[value="javascript"]').remove();
});
</script>
</body>
</html>