js function return fetch result
function getvals(){
return fetch('https://jsonplaceholder.typicode.com/posts',
{
method: "GET",
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json',
},
})
.then((response) => response.json())
.then((responseData) => {
console.log(responseData);
return responseData;
})
.catch(error => console.warn(error));
}
getvals().then(response => console.log(response));how to use fetch() javascript
//Most API's will only allow you to fetch on their website.
//This means you couldn't run this code in the console on
// google.com because:
// 1. Google demands the fetch request be from https
// 2. open-notify's API blocks the request outside of their website
fetch('http://api.open-notify.org/astros.json')
.then(function(response) {
return response.json();
})
.then(function(json) {
console.log(json)
});
// Here is another example. A method (function) that
// grabs Game of Thrones books from an API ...
function fetchBooks() {
return fetch('https://anapioficeandfire.com/api/books')
.then(resp => resp.json())
.then(json => renderBooks(json));
}
function renderBooks(json) {
const main = document.querySelector('main')
json.forEach(book => {
const h2 = document.createElement('h2')
h2.innerHTML = `<h2>${book.name}</h2>`
main.appendChild(h2)
})
}
document.addEventListener('DOMContentLoaded', function() {
fetchBooks()
})fetch suntax
fetch('http://example.com/movies.json')
.then((response) => {
return response.json();
})
.then((data) => {
console.log(data);
});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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