Showing posts from 2023

UTF8 to Shift_JIS in Javascript

Background The TextEncoder() in js does not support Shift_JIS , which means you may need to find some alternative ways to turn UTF-8 Japanese/Kana character into Shift_JIS encoding format for further handling in your use-case (such as FeliCa chip personalisation).  To verify whether a pair of hex values is in SJIS format - use this site . [1]  Know more about Japanese Character Set See this presentation by MySQL. Half-width Katakana in UTF-8 In Unicode, half-width katakana, which is called as hankaku (半角), is represented from position U+FF61 to U+FF9F .         0 1 2 3 4 5 6 7 8 9 A B C D E F FF60 。 「 」 、 ・ ヲ ァ ィ ゥ ェ ォ ャ ュ ョ ッ FF70 ー ア イ ウ エ オ カ キ ク ケ コ サ シ ス セ ソ FF80 タ チ ツ テ ト ナ ニ ヌ ネ ノ ハ ヒ フ ヘ ホ マ FF90 ミ ム メ モ ヤ ユ ヨ ラ リ ル レ ロ ワ ン ゙ ゚       Read this article to learn more . Existing library encoding.js If you cannot use external library for any reason Implement yourself  - use mapping, you can take r