I'm looking for answer about this code

getFilesByRepo(e) {
  console.log(e.target.innerText)

  this.axios.get(`https://api.github.com/repos/********/${e.target.innerText}/contents`)
    .then((result) => {
      result.data.forEach(element => {
        console.log(element.name)
        e.append(`<h1>${element.name}</h1>`)
      });
    }).catch((err) => {
      console.log(err)
    });

},

about --> e.append <-- this section, how can I get this e's element??

to use only vanila.js please