<h1>表单验证2</h1>
<p>请输入1到10的数字</p>
<input type="text" id="fnam1">
<button type="button" onclick="mfction3()">提交并验证</button>
<p id="bdyz1"></p>
<script>
function mfction3() {
var yz1,text1;
yz1=document.getElementById("fnam1").value;
if (isNaN(yz1)||yz1<1||yz1>10){
text1="输入错误";
}else {
text1="输入正确";
}
document.getElementById("bdyz1").innerHTML=text1;
}
//只能输入1到10的数字
</script>