var options = { attributes: { rel: 'nofollow', title: 'click to open', }, className: '', format: { url: function (value) { return value } }, ignoreTags: ['a'], validate: { url: function (value) { return value; } } }; var str = `Rob started work on the roof last time he was here and continued to work on it.`; document.write(linkifyHtml(str, options)); ]]>