What is fetch(): fetch() is a built-in function used to make network/HTTP requests. It returns a Promise. The fetch() function returns a Promise which is fulfilled with a Response object representing the server's response. You can then check the request status and extract the body of the response in various formats, including text and JSON. HTTP Methods : GET - get data POST - create data PUT - update data DELETE - delete data Syntax : fetch(url, options) url → API endpoint options → method, headers, body, etc. fetch(url) - Sends request,Returns a Promise. .then(response => ...) response contains, status (200, 404…),headers,body -not readable yet. response.json() - Converts body into JavaScript object,also returns a Promise. .then(data => console.log(data)) - get data. Basic get request : fetch ( " https://jsonplaceholder.typicode.com/posts " ) . then (( response ) => response . json ()) . then (( data ) => console . log ( data )) . catch (( err ) => console .…