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const ax = document.createElement('script');
ax.setAttribute('src', 'https://cdnjs.cloudflare.com/ajax/libs/axios/0.21.1/axios.min.js');

document.body.appendChild(ax);

const getDownlodsTargets = (type) => {
    let title = document.querySelector('b[class="pull-left"]').
        innerText.replace(/\n/g, '').trim();
    if (type == 'pdf') {
        let pdf = document.querySelector('[class="col-md-2 padding0 col-xs-12"]').href;
        buildBottom(pdf, title, 'pdf');
    } else {
        let video = document.querySelector('.jw-video').src;
        buildBottom(video, title, 'mp4');
    }
}

let buildBottom = (url, name, ext) => {
    axios({
        url: url,
        method: 'GET',
        responseType: 'blob',
        headers: {"Access-Control-Allow-Origin": "*"},
    }).then((response) => {
        const url = window.URL.createObjectURL(new Blob([response.data]));
        const link = document.createElement('a');
        link.href = url;
        link.setAttribute('download', `${name}.${ext}`); //or any other extension
        document.body.appendChild(link);
        link.click();
    });
}