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));