fetch api javascript
fetch('http://example.com/songs')
.then(response => response.json())
.then(data => console.log(data))
.catch(err => console.error(err));fetch api javascript
fetch('http://example.com/songs')
.then(response => response.json())
.then(data => console.log(data))
.catch(err => console.error(err));fetch api javascript
fetch('http://example.com/movies.json')
.then((response) => {
return response.json();
})
.then((myJson) => {
console.log(myJson);
});fetch api in js
// fetch API
var myData = async () => {
try {
const raw_response = await fetch("https://jsonplaceholder.typicode.com/users");
if (!raw_response.ok) { // check for the 404 errors
throw new Error(raw_response.status);
}
const json_data = await raw_response.json();
console.log(json_data);
}
catch (error) { // catch block for network errors
console.log(error);
}
}
fetchUsers();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
});fetch post js
var myHeaders = new Headers();
var myInit = { method: 'POST',
headers: myHeaders,
mode: 'cors',
cache: 'default' };
fetch('flowers.jpg',myInit)
.then(function(response) {
return response.blob();
})
.then(function(myBlob) {
var objectURL = URL.createObjectURL(myBlob);
myImage.src = objectURL;
});what is fetch javascript
/*
The fetch() method in JavaScript is used to request
to the server and load the information in the webpages.
The request can be of any APIs that returns the data of the format JSON or XML.
This method returns a promise.
*/
//Syntax:
fetch( url, options )
/*
URL: It is the URL to which the request is to be made.
Options: It is an array of properties. It is an optional parameter.
*/Copyright © 2021 Codeinu
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