Fetch - How to get data? Using JavaScript скачать в хорошем качестве

Fetch - How to get data? Using JavaScript

Get the HTML page markup (data) from the server using fetch (). Publication on the topic: https://efim360.ru/fetch-kak-poluchit... 00:00 The task is to get the markup of the site page using fetch () 01:40 A simple GET request in fetch () returned us the Promise 03:00 Theoretical part. FETCH and XMLHTTPREQUEST standards. Response class. Mixin Body 06:00 Promise returns a promise 07:00 Second call to then () 07:40 Received the markup data of the requested page in the browser console 08:50 Save the data to the prepared variable 11:20 You can screw up the functionality to the page scanner 14:00 The problem of sampling. CORS policy. Thanks for watching! fetch () is a browser API. It lives in browsers, its logic is described in the standard - https://fetch.spec.whatwg.org/ fetch () returns a Promise object. The first result of a Promise object is a Response object. The body of the Response object contains all the data we need. But this data needs to be read correctly. There are only 5 options for reading: arrayBuffer () blob () formData () json () text () To work with ASYNCHRONICITY, we use the then () methods, which are properties of the Promise prototype object.