A bookmarklet to convert a webpage into a RIS file(standardized tag format developed by Research Information Systems)

webpageToRIS.js

javascript: (() => {
    function download(filename, text) {
        element = document.createElement('a');
        element.setAttribute('href', 'data:text/plain.charset=utf-8,' + encodeURIComponent(text));
        element.setAttribute('download', filename);
        element.style.display = 'none';
        document.body.appendChild(element);
        element.click();
        document.body.removeChild(element);
    }
    function outputWebpageRisDoc(info) {
        template = '';
        for (var key in info) {
            template = template+key+'  - '+info[key]+'\n';
        }
        template = template+'ER'+'  - ';
        return template;
    }
    function getWebpageAttributes() {
        title = document.getElementsByTagName("title")[0].textContent;
        webpageUrl = window.location.href;
        today = new Date();
        year = today.getFullYear();
        options = {year:'numeric',month:'short',day:'numeric'};
        accessDate = today.toLocaleDateString('en-US', options);
        htmlMetaDataObj = {};
        htmlMetaData = document.getElementsByTagName("meta");
        for (var singleMetaDataObj of htmlMetaData) {
            attrName = singleMetaDataObj.getAttributeNames();
            attrName = attrName.filter(an => an!='content')[0];
            attrKey = singleMetaDataObj.getAttribute(attrName);
            htmlMetaDataObj[attrKey] = singleMetaDataObj.getAttribute('content');
        }
        return {
            'TY': 'WEB',
            'PY': year,
            'TI': title,
            'AB': (htmlMetaDataObj['description']) ? htmlMetaDataObj['description'] : '',
            'AU': (htmlMetaDataObj['author']) ? htmlMetaDataObj['author'] : '',
            'Y2': accessDate,
            'LK': webpageUrl,
            'UR': webpageUrl,
            'KW': (htmlMetaDataObj['keywords']) ? htmlMetaDataObj['keywords'] : ''
        };
    }
    function downloadHtmlAttrsInRIS() {
        attrs = getWebpageAttributes();
        ris = outputWebpageRisDoc(attrs);
        download('webpage.ris',ris);
    }
    downloadHtmlAttrsInRIS();
})();

How to use:
Refer to this page. Replace line breaks to empty string in this script and make it a bookmark.