JSFiddle - React, Tailwind, and code Playground
HTML
<form action=".do" name="psolSolicitudForm" method="POST">
<p>Primary Key: <input type="text" name="entityOV.arrayOVs[0].cProperty" value=""> </p>
<p>Description: <input type="text" name="entityOV.arrayOVs.dProperty" value=""> </p>
<p>JQuery Bug: <input type="text" name="entityOV.arrayOVs[0].dProperty" value="Fails because attribute name is 'entityOV.arrayOVs[0].dProperty'."></p>
<p>You should see JQuery Bug: = Third Step. input name with brackets</p>
</form>
CSS
input { width: 600px }
JavaScript
$(document).ready(function () {
document.forms['psolSolicitudForm']['entityOV.arrayOVs[0].cProperty'].value='First Step. Load OK! Traditional';
$("input[name='entityOV.arrayOVs.dProperty']").val('Second Step. input name without brackets');
$("input[name='entityOV.arrayOVs[0].dProperty']").val('Third Step. input name with brackets');
}); // ready