Undefined値

Quality:

Undefined value - in computing, a condition where an expression does not have a correct value. Article "Undefined値" in Japanese Wikipedia has 10.3 points for quality (as of November 1, 2023). The article contains 4 references and 8 sections. The article also contains quality flaw template, which reduce quality score.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that language version.

Since the creation of article "Undefined値", its content was written by 3 registered users of Japanese Wikipedia and edited by 25 registered Wikipedia users in all languages.

The highest Authors Interest rank from 2001:

  • Local (Japanese): #41832 in December 2022
  • Global: #279725 in November 2012

The highest popularity rank from 2008:

  • Local (Japanese): #590873 in July 2023
  • Global: #23537 in October 2021

There are 4 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from November 1, 2023 (including revision history and pageviews for previous years).

下表顯示了最高品質的文章的語言版本。

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Undefined value
20.835
2Portuguese (pt)
Valor não definido
13.112
3Japanese (ja)
Undefined値
10.2779
4Korean (ko)
미정의 값
9.1744
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Undefined値" in all the time
#LanguagePopularity awardRelative popularity
1Korean (ko)
미정의 값
299 441
2English (en)
Undefined value
72 298
3Portuguese (pt)
Valor não definido
4 499
4Japanese (ja)
Undefined値
567
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in October 2023

The most popular language versions of the article "Undefined値" in October 2023
#LanguagePopularity awardRelative popularity
1English (en)
Undefined value
2 712
2Korean (ko)
미정의 값
683
3Japanese (ja)
Undefined値
29
4Portuguese (pt)
Valor não definido
25
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Undefined値" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Undefined value
18
2Japanese (ja)
Undefined値
3
3Portuguese (pt)
Valor não definido
3
4Korean (ko)
미정의 값
1
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in October 2023

Language versions of the article "Undefined値" with the highest AI in October 2023
#LanguageAI awardRelative AI
1English (en)
Undefined value
0
2Japanese (ja)
Undefined値
0
3Korean (ko)
미정의 값
0
4Portuguese (pt)
Valor não definido
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Undefined値" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Undefined value
11
2Korean (ko)
미정의 값
7
3Japanese (ja)
Undefined値
0
4Portuguese (pt)
Valor não definido
0
More...

Scores

Estimated value for Wikipedia:
Japanese:
Global:
Popularity in October 2023:
Japanese:
Global:
Popularity in all years:
Japanese:
Global:
Authors in October 2023:
Japanese:
Global:
Registered authors in all years:
Japanese:
Global:
Citations:
Japanese:
Global:

Quality measures

Interwikis

#LanguageValue
enEnglish
Undefined value
jaJapanese
Undefined値
koKorean
미정의 값
ptPortuguese
Valor não definido

Popularity rank trends

Best Rank Japanese:
#590873
07.2023
Global:
#23537
10.2021

AI rank trends

Best Rank Japanese:
#41832
12.2022
Global:
#279725
11.2012

Languages comparison

Important global interconnections

Wikipedia readers most often find their way to information on Undefined value from Wikipedia articles about Undefined, JavaScript syntax, Undefined behavior, Monad and Null character. Whereas reading the article about Undefined value people most often go to Wikipedia articles on Exit, Undefined, Undefined, NULL and Empty string.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 2 July 2024

On 2 July 2024 in multilingual Wikipedia, Internet users most often read articles on the following topics: UEFA Euro 2024, UEFA European Championship, Cristiano Ronaldo, Diogo Meireles da Costa, Merih Demiral, 2024 Copa América, Arda Güler, Turkey national association football team, Copa América, Inside Out 2.

In Japanese Wikipedia the most popular articles on that day were: 古川琴音, ヒコロヒー, 鬼滅の刃, 海のはじまり, 石丸伸二, 渋沢栄一, 高木聡一朗, 三淵嘉子, 森川智之, 北里柴三郎.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from November, 2023. When calculating current popularity and AI of articles data from October 2023 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information