filter in axios code example

Example 1: axios.filter

axios.get("api/blogs/" + this.state.pageIndex + "/10").then(res => {
  res.filter(function(author) {
    return author.firstName === this.state.query;
  });
});

Example 2: how to use axios filter

// Will return all the posts that belong to the first user
fetch('https://jsonplaceholder.typicode.com/posts?userId=1')
  .then(response => response.json())
  .then(json => console.log(json))