How to catch "Javascript error"

[Yalon]

How to catch "Javascript error" in brython?

Thank you

[Yalon]

I'm creating a javascript error on purpose - The "Javascript error" I'm getting, is plotted to the console by brython :
Javascript error
 Error: Javascript error

without any line number. How can I capture this message ?

[Pierre Quentel]

Le lundi 18 septembre 2023 à 09:37:06 UTC+2, Yalon a écrit :

I'm creating a javascript error on purpose - The "Javascript error" I'm getting, is plotted to the console by brython :
Javascript error
 Error: Javascript error

without any line number. How can I capture this message ?

This is a very good question, thanks ! I have implemented the ability to catch such errors, as instances of a built-in class JavascriptError, in commit 1ea5ad3 today. 

With the latest development version you should be able to catch such errors with the usual syntax:

try:

    window.js_error_func()

except JavascriptError as exc:

    print('Javascript error', exc)

[brython]

Thank you Pierre !

Show I download it directly from github ? When it will be availabe in the next release ? (https://github.com/brython-dev/brython/releases)

[Pierre Quentel]

Le mardi 19 septembre 2023 à 10:04:41 UTC+2, Yalon a écrit :

Thank you Pierre !

Show I download it directly from github ? When it will be availabe in the next release ? (https://github.com/brython-dev/brython/releases)

If you are familiar with Git you can clone the repository and use the current development version.

Alternatively you can use it by including these scripts in the page:

<script src="https://raw.githack.com/brython-dev/brython/master/www/src/brython.js" crossorigin="anonymous"> </script>

<script src="https://raw.githack.com/brython-dev/brython/master/www/src/brython_stdlib.js" crossorigin="anonymous"> </script> 

The next version should be out before the end of this month but I can't be sure, there are many open issues at the moment.

[Elon Keret]

Thank you 

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