Using charts in HTML wil chart.js

I’m trying to learn how to create graphs using chart.js, but for some reason my chart isn’t showing up on my webpage

Here’s the code:

<!DOCTYPE html>
<html lang="en">
    <meta charset="UTF-8">


    <div style="width: 900px; height: 400px;">
        <canvas id="myChart"></canvas>
    <script src="" integrity="sha512-v3ygConQmvH0QehvQa6gSvTE2VdBZ6wkLOlmK7Mcy2mZ0ZF9saNbbk19QeaoTHdWIEiTlWmrwAL4hS8ElnGFbA==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>


        let labels = ['Big Mac', 'QuarterPounder', 'Mcdouble', 'Doubler Cheeseburger', 'Hamburger'];
        let itemData = [550, 520, 400, 450, 250];

        const data = {
            labels: labels,
            dataset: [{
                data: itemData,
                backgroundColor: 'rgb(66,221, 245)'

        const config = {
            type: 'bar',
            data: data

        const chart = new Chart(