1.代码



<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<input id="test" type="text" onblur="CheckChinese('test',this.value)" />

<script>
// 验证是否为中文
function CheckChinese(obj,val){
// 正则
var reg = new RegExp("[\\u4E00-\\u9FFF]+$","g");
// 验证
if(!reg.test(val)){
console.log('不是纯中文字符');
var strObj = document.getElementById(obj);
strObj.value = "";
strObj.focus();
}else{
console.log('是纯中文字符');
}
}
</script>
</body>
</html>


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