Message from JavaScript discussions

— So I can run the ajax, generate promises for the multiple requests, give them to Promise.all() and run my endgame code in then() on the final promise

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— For large file upload via XHR is recomendable to use chunked file upload. Here is a JQuery plugin that supports that: https://github.com/blueimp/jQuery-File-Upload/wiki/Chunked-file-uploads

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— +1

— Tiny baby ajax

function ajax (url = "/", resType = 'text') {
  return new Promise (function (resolve, reject) {
    var req = new XMLHttpRequest();
    req.onreadystatechange = function () {
      if (req.readyState === 4) {
        if (req.status >= 400 && req.status < 600) {
          reject("HTTP Error " + req.status + ": " + req.statusText);
        } else if (req.status >= 200 && req.status < 400) {
          resolve(req.response);
        }
      }
    };
    req.open("GET", url);
    req.responseType = resType;
    req.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
    req.send();
  });
}

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— 

ajax("/url", "json").then(function (response) {

  console.log(response.prop);

});

— +1. But this condition && req.status < 600, is really necesary?

— Just seem too paranoid, but I think it's ok 😂

— Heh

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— Other Admins, DO NOT delete this! Yes it is spam (because no one requested and is almost not related to js) but Fazal is the admin of this group. So let's allow this post this time.

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— Right