JSFiddle - React, Tailwind, and code Playground

by Shef

HTML

<select id="data" name="data" class="data" multiple="multiple">
  <option value="100">foo</option>
  <option value="101">bar</option>
  <option value="102">bat</option>
  <option value="103">baz</option>
</select>

JavaScript

var valArr = [101,102],
    i = 0, size = valArr.length,
    $options = $('#data option');

for(i; i < size; i++){
    $options.filter('[value="'+valArr[i]+'"]').prop('selected', true);
}