Lost the "Date" Response Header when on HTTP 304 Response.

Not reproducible Issue #110916


Apr 27, 2014
This issue is public.
Found in build #
Reported by 0 people

Sign in to watch or report this issue.

Steps to reproduce

URL = https://yabumi.cc/532072ac2b46dd4f2380a479.png

Repro Steps:
[on Developer Tool]

  1. Launch IE 11
  2. Navigate to https://yabumi.cc/532072ac2b46dd4f2380a479.png
  3. F12 to open Developer Tool
  4. focus to Developer Tool
  5. Ctrl+4 to view Network
  6. F5 to start the Capture Network Traffic
  7. Now reload the current page.
  8. find a 304 response and dblclick to view detail, then select the Response Header tab.
  9. Where is the Date header??
  10. and, compare other response, Date header is exists.

[on JavaScript]
// code is here
var xhr = new XMLHttpRequest();
xhr.addEventListener('readystatechange’, function () {
if (xhr.readyState === 2) {
xhr.open('GET’, ‘https://yabumi.cc/api/images/532072ac2b46dd4f2380a479.json’);

// 1. first time, maybe not cached, will returns 200 OK and defined Date header.
// 2. second time, maybe its cached, will returns 304 Not Modified and undefined Date header.

// This issue, no problem on Firefox, Chrome.

Expected Results:

Exists a Date header.

Actual Results:


0 attachments

    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “IPBS P.”

      Changed Assigned To from “IPBS P.” to “Bruce M.”

      Changed Assigned To to “Kamen M.”

      Changed Assigned To from “Kamen M.” to “Venkat K.”

      Changed Assigned To from “Venkat K.” to “Sekhar B.”

      Changed Status to “Confirmed”

      Changed Steps to Reproduce

      Changed Assigned To from “Sekhar B.” to “David W.”

      Changed Assigned To from “David W.” to “IPBS P.”

      Changed Status from “Confirmed” to “Won’t fix”

      Changed Status from “Won’t fix” to “Not reproducible”

      Changed Assigned To from “IPBS P.” to “Venkat K.”

    You need to sign in to your Microsoft account to add a comment.

    Sign in