JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//cdnjs.cloudflare.com/ajax/libs/knockout.mapping/2.4.1/knockout.mapping.js"></script>
<div data-bind='foreach: note'>
    <p><span data-bind='text: post'>
    <p><input data-bind='value: post'>
</div>

JavaScript

var model = ko.mapping.fromJS({
    note: [{"post":"a"},{"post":"b"}]
});
ko.applyBindings(model);