JSFiddle - React, Tailwind, and code Playground

by yiqiang1314

HTML

<div><input type="text" id="content" placeholder="输入要检测的文字"/></div>
<div><button id="check">检测</button></div>
<div id="info"></div>

JavaScript

function isChn(str){
    return /^[\u4E00-\u9FA5]+$/.test(str);
}
$('#check').click(function(){
    var v = $('#content').val();
    console.log(v);
    console.log(isChn(v));
    if(isChn(v)){
        $('#info').html('yes');
    }else{
        $('#info').html('no');
    }
});