JSFiddle - React, Tailwind, and code Playground

HTML

<button>Click Here</button>

JavaScript

$(document).ready(function() {
    var data = {
    	"label": "Information",
    	"fields": [
    		{
    			"name": "name",
    			"label": "Team Name",
    			"type": "string",
    			"config": {}
   			}
   		],
 		"length": fields.length
    };
    $("button").click(function() {
        alert(data.length);
    });
});