JSFiddle - React, Tailwind, and code Playground

by Dai Duong

HTML

<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
<!DOCTYPE html>
<html>
<head>
<title>Try jQuery Online</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
</head>
<body>
Check ký tự Japanese text: <input type="text" id="set"/>
</body>
</html>

JavaScript

$( "#set" ).change("input", function(e) {
	var val = this.value;
	var containsJapanese = val.match(/[\u3000-\u303f\u3040-\u309f\u30a0-\u30ff\uff00-\uff9f\u4e00-\u9faf\u3400-\u4dbf]/);
	containsJapanese == null ? alert("null"): alert("Hiragana-Kanji-Katakana");
});