JSFiddle - React, Tailwind, and code Playground
by snover
HTML
<input type="checkbox" value="1" />
<input type="checkbox" value="2" />
<input type="checkbox" value="3" />
<input type="checkbox" value="4" />
<input type="checkbox" value="5" />
JavaScript
$('input:checkbox').val([ 1, 2, 3 ]);