javascript fetch() map() code example

Example 1: fetch api in javascript

// GET Request.
fetch('https://jsonplaceholder.typicode.com/users')
    // Handle success
    .then(response => response.json())  // convert to json
    .then(json => console.log(json))    //print data to console
    .catch(err => console.log('Request Failed', err)); // Catch errors

Example 2: fetch api map

const GetData = [];
  useEffect(() => {
    fetch(API_URL)
      .then((res) => res.json())
      .then((data) => {
        GetModesData.push(...data);
        setDataState(GetData.map((d) => d.modeName));
      });
  }, []);