JSFiddle - React, Tailwind, and code Playground

HTML

<select multiple="true" id="example">
    <option value="1">one</option>
    <option value="2">two</option>
    <option value="3">three</option>
    <option value="4">four</option>
</select>

JavaScript

var array = [1,2,4];

$('#example option').each(function() {
    var $th = $(this);
    var value = parseInt($th.val());
    if( $.inArray(value,array) >= 0 ) {
        $th.attr('selected','selected');
    }
});