• parse text for Japanese kanji
• see the jōyō grade, JLPT level, and WaniKani level of each kanji
• determine readability of Japanese text based on grade/level of kanji
• count number of times a kanji is used, find most frequently used kanji
• filter kanji by category (jōyō, jinmeiyō, hyōgai) or level

Kanji() returns a kanji object when given a single-character String that (according to its UTF-8 code) is Japanese kanji. Otherwise returns undefined.

Examples:

// returns object when given single kanji character
Kanji("会");
// -> Object {...}

// returns undefined when given more than one character
Kanji("文字");
// -> undefined

// returns undefined if character is not kanji
Kanji("の");
// -> undefined

The returned object has the following attributes:

The object will return its character when the toString() method is called.

KanjiCollection() returns a kanjicollection object when given a String of text that contains kanji. Otherwise returns undefined.

Examples:

// returns object when given String containing kanji
KanjiCollection("自分を信じて。");
// -> Object {...}

// returns undefined when given String without kanji
KanjiCollection("おはよう！");
// -> undefined

KanjiCollection.all is a kanjicollection object containing all 2998 jōyō and jinmeiyō kanji.

The returned object has the following attributes:

The object has the following methods: