JSFiddle - React, Tailwind, and code Playground

JavaScript

var response = '{"batchcomplete": "","query": {"pages": {"97646": {"extract": "abcd"	}}}}';
var suggestionData = JSON.parse(response);
var pageid = Object.keys(suggestionData.query.pages)[0];
console.log(suggestionData.query.pages[pageid].extract);