How to fetch data from an api react
const fetchData = () => {
return fetch("https://randomuser.me/api/")
.then((response) => response.json())
.then((data) => console.log(data));}How to fetch data from an api react
const fetchData = () => {
return fetch("https://randomuser.me/api/")
.then((response) => response.json())
.then((data) => console.log(data));}react fetch
componentDidMount() {
// GET request using fetch with error handling
fetch('https://api.npms.io/v2/invalid-url')
.then(async response => {
const data = await response.json();
// check for error response
if (!response.ok) {
// get error message from body or default to response statusText
const error = (data && data.message) || response.statusText;
return Promise.reject(error);
}
this.setState({ totalReactPackages: data.total })
})
.catch(error => {
this.setState({ errorMessage: error.toString() });
console.error('There was an error!', error);
});
}fetch get request
// Example POST method implementation:
async function postData(url = '', data = {}) {
// Default options are marked with *
const response = await fetch(url, {
method: 'POST', // *GET, POST, PUT, DELETE, etc.
mode: 'cors', // no-cors, *cors, same-origin
cache: 'no-cache', // *default, no-cache, reload, force-cache, only-if-cached
credentials: 'same-origin', // include, *same-origin, omit
headers: {
'Content-Type': 'application/json'
// 'Content-Type': 'application/x-www-form-urlencoded',
},
redirect: 'follow', // manual, *follow, error
referrerPolicy: 'no-referrer', // no-referrer, *no-referrer-when-downgrade, origin, origin-when-cross-origin, same-origin, strict-origin, strict-origin-when-cross-origin, unsafe-url
body: JSON.stringify(data) // body data type must match "Content-Type" header
});
return response.json(); // parses JSON response into native JavaScript objects
}
postData('https://example.com/answer', { answer: 42 })
.then(data => {
console.log(data); // JSON data parsed by `data.json()` call
});Copyright © 2021 Codeinu
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