qianduan

98 阅读1分钟
<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>