<script src="http://code.jquery.com/jquery-3.3.1.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
crossorigin="anonymous"></script>
<script src="intputtoarray.js"></script>
<script>
$(document).ready(function () {
console.log($('input#ToArray').inputToArray({key:'name',value:true})); // Return as array
console.log($('input#ToArray').inputArrayKey('name')); // returns base array key
})
</script>
<div class="form">
<input type="text" id="ToArray" name="groups[level1][level2][level3]" value="This is the value"/>>
</div>
