JavaScript AbortController example

test.js

const url = 'big.mkv';
const abortController = new AbortController();

setTimeout(function() {
  abortController.abort();
}, 1);

async function fetchVideo() {
  try {
    const response = await fetch(url, { signal: abortController.signal });
    
    // this must be awaited too
    const data = await response.blob(); // or .json() or .text() or .formData()
    
    console.info('Download successful.');
  } catch (e) {
    if (e instanceof DOMException && e.name === 'AbortError') {
      console.error('The fetch request was aborted.');
    }
  }
}

fetchVideo();