Node.js script to extract Haaretz's "survey of surveys", of Israeli Elections 2019 information as a JSON object

surveys.js

///
/// SURVEYS.JS
///     Extracts Haaretz's 2019 Elections survey JSON data.
/// Author: @gbidkar
///
/// npm install --save request
///
/// Final voting information is 'surveys' variable.

const request = require('request');

const ElectionsDataURL = 'https://www.haaretz.co.il/news/elections/EXT-INTERACTIVE-1.6826451';

function extractSurveysData(body) {
    let votesRawBegin = body.substring(body.indexOf('var xls'));
    let votesRaw = votesRawBegin.substring(votesRawBegin.indexOf('{'), votesRawBegin.indexOf(';'));
    return JSON.parse(votesRaw);
}

function printStatistics(surveyInfo) {
    console.log(`There are ${surveyInfo.Surveys.length} surveys, spanning ${surveyInfo.Parties.length} parties.`);
}

request(ElectionsDataURL, (err, res, body) => {
    let surveys = extractSurveysData(body);

    printStatistics(surveys);
});