- const { host, siteId, language, option } = theme.remark42 script. let nowTheme = document.documentElement.getAttribute('data-theme') === 'dark' ? 'dark' : 'light' var remark_config = Object.assign({ host: '!{host}', site_id: '!{siteId}', components: ['counter'] },!{JSON.stringify(option)}) script. function loadRemark42(){ !function(e,r){ for(var o=r.head||r.body,n=0;n