ReadableStream

deezer-web-streams-1.js

new ReadableStream({
  start(controller) {
    return fetch('http://…').then(response => {
      // In browsers supporting Web Streams, Fetch's response's body is a ReadableStream
      // Otherwise, in order to stream the response you will have to request some bytes ranges manually

      // Get a reader on the incoming data
      const reader = response.body.getReader();

      // Read a chunk
      reader.read().then(function process(result) {
        console.log('Reading', result.value.length, 'bytes');
        return reader.read().then(process); // Continue reading
      });
    });
  }
});