скрипт получения информации о тегах

let getDomainInfo = function(){
let divtag = document.getElementsByTagName('div').length;
let ptag = document.getElementsByTagName('p').length;
let spantag = document.getElementsByTagName('span').length;
let imgtag = document.getElementsByTagName('img').length;
let atag = document.getElementsByTagName('a').length;
let litag = document.getElementsByTagName('li').length;
let audiotag = document.getElementsByTagName('audio').length;
//
domainInfo = document.documentURI;
domainInfo += "p:"+ptag+"\ndiv:"+divtag+"\nspan:"+spantag+"\nimg:"+imgtag+"\na:"+atag+"\n+li:"+litag+"\naudio:"+audiotag;
console.log(domainInfo);
}
getDomainInfo();