JSFiddle - React, Tailwind, and code Playground
by Tushar Jadhav
HTML
<select id="userRequest_activity" required name="activity[]" class="multiselect form-control" multiple="multiple">
<option value="2">Bungee Jumping</option>
<option value="3">Camping</option>
<option value="5">Mountain Biking</option>
<option value="6">Rappelling</option>
<option value="7">Rock Climbing / Bouldering</option>
<option value="8">Skiing</option>
<option value="10">Wild Life (Safari)</option>
<option value="11">Canoeing & Kayaking</option>
<option value="12">Rafting</option>
<option value="13">Sailing</option>
<option value="14">Scuba Diving</option>
<option value="15">Snorkeling</option>
<option value="16">Surfing</option>
<option value="18">Hang Gliding</option>
<option value="19">Hot-air Ballooning</option>
<option value="20">Micro-light Aircrafts</option>
<option value="21">Paragliding</option>
<option value="22">Paramotoring</option>
<option value="23">Parasailing</option>
<option value="24">Skydiving / Parachuting</option>
<option value="25">Zip-line / Flying Fox</option>
<option value="26">Caving</option>
<option value="27">Cycling</option>
<option value="28">Fishing & Angling</option>
<option value="29">Motorbike trips</option>
<option value="30">Nature Walks</option>
<option value="31">Road Trips</option>
<option value="32">Zorbing</option>
<option value="33">Trekking Hiking and Mountaineering</option>
<option value="34">Backpacking</option>
<option value="61">Water</option>
</select>
JavaScript
$("select").on('change', function(e) {
if (Object.keys($(this).val()).length > 3) {
console.log($('option[value="' +$(this).val().toString().split(',')[3] + '"]'));
$('option[value="' +$(this).val().toString().split(',')[3] + '"]').prop('selected', false);
}
});