JSFiddle - React, Tailwind, and code Playground
by chridam
HTML
<select id="sourceList" name="selectListMenu1" multiple>
<option value="1">One</option>
<option value="2">john smith</option>
<option value="3">Three</option>
<option value="4">Four</option>
<option value="5">peter pan</option>
</select>
CSS
select { height: 100px; width: 100px; }
JavaScript
var summary3 = "john smith,peter pan".split(","); // split the names to compare
$.map(summary3, function(elem, i) {
$('select[name="selectListMenu1"] option[text="' + elem + '"]').attr('selected', true);
});