JSFiddle - React, Tailwind, and code Playground

HTML

<form id="myForm">
    <input name="foo[]" value="1">
    <input name="foo[]" value="2">
</form>

JavaScript

var frm = $("#myForm");
var values = frm.serialize();
alert(values);

//make Ajax call
//$.post("someUrl", values, function(){} );