Blank page with OLPC XO-4 and OLPC OS 13.2.11

[quozl]

Description

Blank page.

How To Reproduce

• open an OLPC XO-4 laptop with OLPC OS 13.2.11,
• open Browse activity,
• click on Sugar Labs, and see the old web site,
• edit the URL to be https://v2.sugarlabs.org/ and press enter, result page is blank.

Expected behavior

View new web site.

Screenshots

Not applicable.

Environment

Desktop

• Operating System: OLPC OS 13.2.11, based on Fedora 18,
• Browser: Sugar Activity Browse,
• Version: 157.5

Console Errors

Not obtained.

[haroon10725]

@quozl How to open "an OLPC XO-4 laptop with OLPC OS 13.2.11"? I am a windows user.

[quozl]

Don't know sorry. Please upgrade to Linux.

[quozl]

I didn't raise this issue to mentor anyone through it, please just get it fixed rather than try to engage my enthusiasm. I don't think I should be directing how it is solved.

Support for older browsers is a well-understood technical requirement in the industry, and there are several tools available to help. I don't generally use these tools in my work, instead I provide web content that relies on the most basic behaviours. I am surprised the project did not consider this before release day. It really sends a strong message.

If it helps, a query "support old browsers javascript" to Google Search came up with this AI Overview output; https://dev.laptop.org/~quozl/z/1u8QK1.txt

[sa-fw-an]

@quozl @pikurasa I’ve made some fixes and deployed them to my personal repository for testing. Could you please check whether the site works on the OLPC XO‑4 laptop?

Here is the link: https://test.safwansayeed.live/

[sa-fw-an]

@quozl, are you seeing any console errors such as
“SyntaxError: Unexpected token ‘<’”
“SyntaxError: import and export may only appear at the top level”
“Unexpected identifier”
or something similar?

[quozl]

Thanks. I tried your site, it does not finish loading, and the cursor continues to spin indicating busy. Here's what the display looks like;

File org.laptop.WebActivity-1.log contains this;

** Message: console message:
https://test.safwansayeed.live/assets/vendor-legacy-kDvLVUde.js @32: 
SyntaxError: Invalid regular expression: unrecognized character after (?

** Message: console message:
https://test.safwansayeed.live/assets/polyfills-legacy-gFr42oHO.js @1:
Unhandled promise rejection

** Message: console message:
https://test.safwansayeed.live/assets/polyfills-legacy-gFr42oHO.js @1:
Unhandled promise rejection

Sorry, I don't know how to bring up the WebKit console, and ran out of time looking for how to do it.

This is using webkitgtk 1.10.2-3

[sa-fw-an]

This issue is likely caused by the old WebKit engine choking on newer JavaScript, which leads to a parsing error. I’ve now updated it with a legacy bundle—please try again and let me know if it works.

Link: https://test.safwansayeed.live/

[sa-fw-an]

@quozl Can you test now and see if it works?

[quozl]

Tested.

• tab title changes to "SugarLabs" (no space),
• tab contents blank,
• activity log contains

** Message: console message:
https://test.safwansayeed.live/assets/vendor-legacy-DD8t0rnO.js @32:
SyntaxError: Invalid regular expression: unrecognized character after (?

** Message: console message:
https://test.safwansayeed.live/assets/polyfills-legacy-CmC3ok-s.js @1:
Unhandled promise rejection

** Message: console message:
https://test.safwansayeed.live/assets/polyfills-legacy-CmC3ok-s.js @1:
Unhandled promise rejection

[rahul-vyas-dev]

hey @sa-fw-an You can also try using Babel to transpile the JavaScript. It will convert modern JS into older, browser-compatible code so the site can run on outdated browser versions.

[rahul-vyas-dev]

@quozl How to open "an OLPC XO-4 laptop with OLPC OS 13.2.11"? I am a windows user.

if you want to try then use tool like BrowserStack, has old OS + old browser testing environments that you can use to test your web page but free plans have time limit to checks the page