Your LimeSurvey version: Version 5.1.10+210913
Own server or LimeSurvey hosting: hosting
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I can't find any checkbox to enable or disable thousands separators in my survey. Neither in the survey settings, nor in the settings in questions with numerical inputs.
Some questions in my survey require large numerical values to be entered. Currently, thousands separators are not displayed. But these would be urgently needed. 

Thanks for your support. 

I don't think this is a feature that can be enabled anywhere.

Most probably you will have to create a "mask" for the specific questions, probably via Javascript. Not sure if you are allowed to do this. You said "hosting" in the basic questions, I assume you are referring to the hosting service of Limesurvey?

There are few examples in the manual, but they seem to be for very old versions, so they might not work for LS5, but to give you an idea:
www.limesurvey.org/manual/Workarounds:_M...ipt#Text_input_masks

As @holch already indicated,
you may use a mask.
Have a look here
[url] igorescobar.github.io/jQuery-Mask-Plugin/docs.html#basic-usage [/url]

The two "money" examples.
Here two examples (without/with decimals)
 

Masks:
1. .mask('#.##0', { reverse: true });
2. .mask('#.##0,00', { reverse: true });

But can I do this if I get LimeSurvey from my university with a design template? I don't have the rights to change the template.

Oh, university.

But as you saw, you only have to enter some havascript (into your question text).
No changes to the theme are needed.

First make sure that you are allowed to use javascript. Some university admins don't allow it.

So enter this into the text of a question (in source code mode): If this pops up, fine.

Now in your question at first include the library

Now include the mask (this shows the input into a "short text" question.)  

If you use a different question type you have to adapt.
This shows the input into the second field (you see "eq(1)" of a "multiple short text" question.

         $('#question{QID} .question-item:eq(1) input[type="text"]').mask('#.##0', { reverse: true });


BTW.:
If you are allowed to install plugins:
@DenisChenu used this library for his plugin "jquerySimpleMask" (only for "multiple short text")
[url] gitlab.com/SondagesPro/QuestionSettingsType/jquerySimpleMask [/url]

Joffm

P.S.
If you are able to read German (or use "Google Translate" ) you may read
"Joffms Tutorial 3: Gimmicks und ..." in the German part of the forom (Chapter 5)
Just scroll down a bit (Page 4 or 5)

Awesome, this works perfectly

And thanks for pointing out the tutorial I actually speak German, so I'll definitely check it out.

In the light of the court order in Germany, that you need a consent to submit IP-addresses to other parties (in that case is was about embedding Google Fonts via external URL), the usage of results in submitting the IP-address to Cloudflare for every survey visitor.

Many websites in Germany do this. And the risk to get in trouble is low. I would try to get that file hosted on a university server (e.g. students homepage etc.).
www.kuketz-blog.de/cloudflare-cdn-altern...-deutschland-europa/ (GERMAN)

results in submitting the IP-address to Cloudflare for every survey visitor.

Oh, I didn't know this.

IF you are allowed to do,
download the zip-file, extract it and
upload the *.js  to the files directory of your survey.
"Ressources"
 
Then you call it from there.

Joffm
 

Joffm wrote:

results in submitting the IP-address to Cloudflare for every survey visitor.

Oh, I didn't know this.
 

We all know that to have a connection between a server and a client an IP-address exchange is needed
Not sure where this all ends, but selfhosting as much as possible helps here to get letters from lawyers with hefty costnotes.

I would recommend to selfhost from a pure security standpoint. That way you prevent getting victim of a supplychainattack and you always know what library version is running.
thehackernews.com/2021/07/cloudflare-cdn...uld-have-led-to.html
 

> @DenisChenu used this library for his plugin "jquerySimpleMask" (only for "multiple short text")

For short text and/or multiple text