https://demos.devexpress.com/blazor/DataGrid - Non functional

[stephenjwhite]

If you visit https://demos.devexpress.com/blazor/DataGrid the page loads, but almost everything on the site is non functional / doesn't respond when you click on anything.

Browser console shows:

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22:54:57.972 SyntaxError: expected expression, got keyword 'import' 1 blazor.server.js:1:68148

Note: This is using the Server side version of Blazor that uses web sockets, NOT the WASM version.

[moonbat]

So why would you not ask the website operator to fix their Javascript instead of asking here?

[stephenjwhite]

My impression was that Palemoon is not able to parse their script correctly since all the other windows 64-bit browsers are able to display that site without any issues. Am I wrong?

Firefox:

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[2021-06-03T18:04:25.121Z] Information: Connection disconnected. blazor.server.js:1:5678
[2021-06-03T18:04:25.357Z] Information: Normalizing '_blazor' to 'https://demos.devexpress.com/blazor/_blazor'. blazor.server.js:1:5678
[2021-06-03T18:04:25.461Z] Information: WebSocket connected to wss://demos.devexpress.com/blazor/_blazor?id=BeWGSth1NcxmhTDTUbseng. blazor.server.js:1:5678

Edge (Chromium):

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blazor.server.js:1 [2021-06-03T18:06:41.650Z] Information: Normalizing '_blazor' to 'https://demos.devexpress.com/blazor/_blazor'.
blazor.server.js:1 [2021-06-03T18:06:41.759Z] Information: WebSocket connected to wss://demos.devexpress.com/blazor/_blazor?id=vUgYKi2BNKfNGgt0x0XbhQ.

Brave:

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blazor.server.js:1 [2021-06-03T18:08:30.553Z] Information: Normalizing '_blazor' to 'https://demos.devexpress.com/blazor/_blazor'.
blazor.server.js:1 [2021-06-03T18:08:30.724Z] Information: WebSocket connected to wss://demos.devexpress.com/blazor/_blazor?id=3HI0OFqR1Y-boj1tVvHMyg.

Look, if I am wrong, I will gladly tell them. However the difficulty there is that blazor.server.js is part of Blazor itself and thus it is maintained by Microsoft. I think you can know that it will be VERY difficult to get Microsoft to do anything to look into this, am I not wrong?

Here is another example:

https://www.nodexr.net/

This site is using the web assembly version of Blazor, and it gets the same error along with another:

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SyntaxError: expected expression, got keyword 'import'[Learn More]  
blazor.webassembly.js:1:1722
ReferenceError: Blazor is not defined[Learn More]  
BrotliDecompress.js:1:1

That site however loads fine in Edge/FireFox/et al.

From what I can tell, the problem seems to be that they are using a later version of Blazor with Dot Net 5.05, where as the Blazor from Dot Net 3.0.X still works in Pale Moon. So it seems to me that Microsoft changed something that Pale Moon needs to address. Again, if I am wrong, please let me know.

[stephenjwhite]

Since my earlier reply hasn't been approved or posted, I guess I will have to do a double post:

After digging into this a little deeper, it looks like this might be a side effect of Microsoft stopping Blazor / ASP.NET Core support for older browsers such as Legacy Edge and IE11. I suspect Pale Moon was affected by this as well, since it appears MS is using newer JS features in the various modules that comprise Blazor.You can see here that this was pointed out when someone else had a similar issue with an older version of Firefox.

[opus_27]

The general issue has already been identified and acknowledged, in the thread linked here, for example; be sure to note the follow-up by Moonchild at 2021-05-30, 10:48 UTC.

You can (of course ) search for more.