<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<script src="libs/jquery-3.3.1.min.js"></script>
<script src="layer/layer.js"></script>
<script type="text/javascript">
$(function() {
$("#text").blur(function() {
var reg = /^\d{6,20}$/;
var con = $(this).val();
var flag=reg.test(con);
if(flag) {
layer.tips('用户名规范。', '#text', {
tips: [1, '#3595CC'],
time: 4000
});
} else {
layer.tips('用户名不规范。', '#text', {
tips: [1, '#3595CC'],
time: 4000
});
}
});
});
</script>
</head>
<body>
<form>
用户名:<input type="text" name="text" id="text" value="dddd"/><br/>
密码:<input type="password" name="password" id="password"/>
</form>
</body>
</html>