JSFiddle - React, Tailwind, and code Playground
HTML
<span id="blah">blah</span>
JavaScript
var obj = jQuery.parseJSON('{"id": 4, "point": {"lng": -71.413364, "lat": 41.673681}, "category": "Restaurant"}');
$("#blah").text(obj.point.lng);
<span id="blah">blah</span>
var obj = jQuery.parseJSON('{"id": 4, "point": {"lng": -71.413364, "lat": 41.673681}, "category": "Restaurant"}');
$("#blah").text(obj.point.lng);