CODE EXAMPLE FOR JAVASCRIPT

make multiple api call using promise.all

const fetchNames = async () => {
    try {
      const res = await Promise.all([
        axios.get("./names.json"),
        axios.get("./names-mid.json"),
        axios.get("./names-old.json")
      ]);
      const data = res.map((res) => res.data);
      console.log(data.flat());
    } catch {
      throw Error("Promise failed");
    }
  };