A way to gather view stats for a given channel

scrapeSocialBlade.js

const stringToNumber = (string) => {
    const scale = string.slice(-1);
    if (scale === "K"){
        return Number(string.slice(0,-1)) * 1000;
    }
    if (scale === "M") return Number(string.slice(0,-1)) * 1000000;
    return Number(string)
}
const quantile = (arr, q) => {
    const sorted = arr.sort((a, b) => a - b);
    const pos = (sorted.length - 1) * q;
    const base = Math.floor(pos);
    const rest = pos - base;
    if (sorted[base + 1] !== undefined) {
        return sorted[base] + rest * (sorted[base + 1] - sorted[base]);
    } else {
        return sorted[base];
    }
};
const getSubs = () => {
    const info = document.getElementById('YouTubeUserTopInfoBlock');
    const subsString = [...info.children][2].children[2].textContent;
    return subs = stringToNumber(subsString)
}

const numberToString = number =>{
    const length = number.toString().length
    if (length <=4) return number.toString();
    if (length <= 6) return (number/1000).toFixed(1) + 'K';
    if (length == 7 ) return (number/1000000).toFixed(2) + "M";
    return (number/1000000).toFixed(1);
}

const getAverageViews = (start = 0, stop = 30) => {
    const wrapper =    document.getElementById('YouTube-Video-Wrap');
    const viewStrings = [...wrapper.children].slice(start, stop).map(row => row.children[2].textContent);

    const views = viewStrings.map(stringToNumber);
    const average = Number((views.reduce((a, b) => a + b, 0) / views.length).toFixed(0));
    const subs = getSubs();
    const rawViewDetails = { 
        subs,
        average: average, 
        q25: quantile(views, 0.25), 
        q50: quantile(views, 0.5), 
        q75: quantile(views, 0.75),
    };
    
    rawViewDetails['average/subs'] = rawViewDetails.average/subs;
    rawViewDetails['q25/subs'] = rawViewDetails.q25/subs;
    rawViewDetails['q75/subs'] = rawViewDetails.q75/subs;
    const spreadRatio = ((rawViewDetails.q75 - rawViewDetails.q25 )/ average).toFixed(3)
    
    return { 
        string: { 
            average: numberToString(average), 
            q25: numberToString(rawViewDetails.q25), 
            q50: numberToString(rawViewDetails.q50), 
            q75: numberToString(rawViewDetails.q75),
            subs,
            spreadRatio
        },
        rawDetailArray: Object.values(rawViewDetails)
    }
}

const results = getAverageViews();
console.log(results.string)