JSFiddle - React, Tailwind, and code Playground
by Joe
HTML
<select id="lstweeks" style="width: 150px;" multiple="multiple">
<option value="1">Monday</option>
<option value="2">Tuesady</option>
<option value="3">Wednesday</option>
</select>
<input type="button" id="btnReset" value="Reset" />
JavaScript
$("#btnReset").bind("click", function() {
$('#lstweeks').multiselect('deselectAll', false);
$('#lstweeks').multiselect('updateButtonText');
});