<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>js 验证是否为中文</title>
</head>
<body>
<input type="text" id="text" />
<button onclick="check()">检查</button>
<script language="javascript">
function check(){
var text = document.getElementById("text");
if(isChinese(text.value)){
alert("是中文");
}else{
alert("不是中文");
}
}
function isChinese(temp) { var re = /^[u4E00-u9FA5]+$/;
if(re.test(temp)){
return false;
}
return true;
}
</script>
</body>
</html>