JSFiddle - React, Tailwind, and code Playground
HTML
<div class="row">
<div class="col-xs-12 col-sm-3 col-md-3">
<label><strong>{{$val}}</strong>
</label>
</div>
<div class="col-xs-12 col-sm-3 col-md-3">
<input type="checkbox" name="read">
</div>
<div class="col-xs-12 col-sm-3 col-md-3">
<input type="checkbox" name="write">
</div>
<div class="col-xs-12 col-sm-3 col-md-3">
<input type="checkbox" name="update">
</div>
</div>
JavaScript
var statement = true;
if (statement) {
$('input[type=checkbox]').prop('checked', true);
}