 
 
  
 
  101  is to negotiate upgrade protocols (such as  websocket ). 
 as for the later  , because your server supports  Range , you don't need to download the file from beginning to end, it can be divided into multiple  buffer , do you have to download it as a whole before you can play it? 
Previous: Convert jquery code to native js code
Next: GPP: error: unrecognized command line option'- fhonour-copts';