javascript - What means moz-nullprincipal? - Stack Overflow

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Here is a small Javascript. (It is a ‘smallest example’.)

<script>
    var now = new Date();
    var minute = now.getMinutes();
    if (minute < 10) minute = "0" + minute;
    document.write(now.getHours() + ":" + minute);
</script>

This throws the following error in Firefox (16.0.2):

nicht wohlgeformt
moz-nullprincipal:{356ab095-a1ae-4ba6-a22c-1df0f260f702}
 if (minute < 10) minute = "0" + minute;
------------- ⬏

(“nicht wohlgeformt”: German, meaning ‘not wellformed’.)

What is the meaning of “moz-nullprincipal”. I didn’t find anything informative about that error. What’s wrong with that line?

Here is a small Javascript. (It is a ‘smallest example’.)

<script>
    var now = new Date();
    var minute = now.getMinutes();
    if (minute < 10) minute = "0" + minute;
    document.write(now.getHours() + ":" + minute);
</script>

This throws the following error in Firefox (16.0.2):

nicht wohlgeformt
moz-nullprincipal:{356ab095-a1ae-4ba6-a22c-1df0f260f702}
 if (minute < 10) minute = "0" + minute;
------------- ⬏

(“nicht wohlgeformt”: German, meaning ‘not wellformed’.)

What is the meaning of “moz-nullprincipal”. I didn’t find anything informative about that error. What’s wrong with that line?

• javascript
• firefox

Share Improve this question Follow edited Sep 12, 2015 at 1:51 Mogsdad 45.8k2121 gold badges163163 silver badges286286 bronze badges asked Nov 21, 2012 at 7:49 Matthias RongeMatthias Ronge 10.2k77 gold badges4848 silver badges6868 bronze badges 1

• I can not reproduce this on Firefox 15.0.1 or 16.0 under Mac OS 10.8.2. This might be a bug with your current config, or maybe a plugin. – Jørgen R Commented Nov 21, 2012 at 8:09

Add a ment  | 

2 Answers 2

Sorted by: Reset to default 2

I googled the keyword "moz-nullprincipal", then the error occurs by Google Toolbar.

(Japanese) http://st777.seesaa/article/139189718.html

The page said you should re-install new version of Google Toolbar.

The code is valid, this should work. moz-nullprincipal is an error trigger by firefox in some json / ajax cross scripting security. See here : Cross-domain Ajax call gets no element found Location: moz-nullprincipal

Are you sure that the error "not wellformed" and "moz-nullprincipal:{356ab095-a1ae-4ba6-a22c-1df0f260f702}" are related ?

Can you try this way ?

now = new Date();
var minute = now.getMinutes();
if (minute < 10) minute = "0" + minute.toString();
document.write(now.getHours() + ":" + minute);

Which version of firefox are you using ? Are you using JQuery ?

Here is a small Javascript. (It is a ‘smallest example’.)

<script>
    var now = new Date();
    var minute = now.getMinutes();
    if (minute < 10) minute = "0" + minute;
    document.write(now.getHours() + ":" + minute);
</script>

This throws the following error in Firefox (16.0.2):

nicht wohlgeformt
moz-nullprincipal:{356ab095-a1ae-4ba6-a22c-1df0f260f702}
 if (minute < 10) minute = "0" + minute;
------------- ⬏

(“nicht wohlgeformt”: German, meaning ‘not wellformed’.)

What is the meaning of “moz-nullprincipal”. I didn’t find anything informative about that error. What’s wrong with that line?

Here is a small Javascript. (It is a ‘smallest example’.)

<script>
    var now = new Date();
    var minute = now.getMinutes();
    if (minute < 10) minute = "0" + minute;
    document.write(now.getHours() + ":" + minute);
</script>

This throws the following error in Firefox (16.0.2):

nicht wohlgeformt
moz-nullprincipal:{356ab095-a1ae-4ba6-a22c-1df0f260f702}
 if (minute < 10) minute = "0" + minute;
------------- ⬏

(“nicht wohlgeformt”: German, meaning ‘not wellformed’.)

What is the meaning of “moz-nullprincipal”. I didn’t find anything informative about that error. What’s wrong with that line?

• javascript
• firefox

Share Improve this question Follow edited Sep 12, 2015 at 1:51 Mogsdad 45.8k2121 gold badges163163 silver badges286286 bronze badges asked Nov 21, 2012 at 7:49 Matthias RongeMatthias Ronge 10.2k77 gold badges4848 silver badges6868 bronze badges 1

• I can not reproduce this on Firefox 15.0.1 or 16.0 under Mac OS 10.8.2. This might be a bug with your current config, or maybe a plugin. – Jørgen R Commented Nov 21, 2012 at 8:09

Add a ment  | 

2 Answers 2

Sorted by: Reset to default 2

I googled the keyword "moz-nullprincipal", then the error occurs by Google Toolbar.

(Japanese) http://st777.seesaa/article/139189718.html

The page said you should re-install new version of Google Toolbar.

The code is valid, this should work. moz-nullprincipal is an error trigger by firefox in some json / ajax cross scripting security. See here : Cross-domain Ajax call gets no element found Location: moz-nullprincipal

Are you sure that the error "not wellformed" and "moz-nullprincipal:{356ab095-a1ae-4ba6-a22c-1df0f260f702}" are related ?

Can you try this way ?

now = new Date();
var minute = now.getMinutes();
if (minute < 10) minute = "0" + minute.toString();
document.write(now.getHours() + ":" + minute);

Which version of firefox are you using ? Are you using JQuery ?

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