code: function getSupportClass(supportInfo) {
    let cssClass = 'unknown-support';
  
    if (Array.isArray(supportInfo)) {
      // the first entry should be the most relevant/recent and will be treated as "the truth"
      checkSupport(supportInfo[0].version_added, supportInfo[0].version_removed);
    } else if (supportInfo) { // there is just one support statement
      checkSupport(supportInfo.version_added, supportInfo.version_removed);
    } else { // this browser has no info, it's unknown
    return 'unknown-support';
  }
  
  function checkSupport(added, removed) {
    if (added === null) {
      cssClass = 'unknown-support';
    } else if (added) {
      cssClass = 'full-support';
      if (removed) {
        cssClass = 'no-support';
      }
    } else {
      cssClass = 'no-support';
    }
  }
  
  return cssClass;
  }
docs: /*
  Given the support information for a browser, this returns
  a CSS class to apply to the table cell.
  
  `supportData` is a (or an array of) support_statement(s)