首页 > 代码库 > 表单事件onsubmit与onreset

表单事件onsubmit与onreset

<!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <title>Document</title></head><body><form id="form1" action="">    <input type="text" name="username" placeholder="请输入用户名">    <button type="submit" name="doSubmit">提交</button>    <button type="reset" name="soReset">重置</button></form>    <script type="text/javascript">    var f = document.getElementById(form1);    f.onsubmit = function(){        if(this.username.value == ‘‘){            alert(请输入用户名);            return false;        }    }    f.onreset = function(){        return confirm(你确定要重置?);    }    </script></body></html>

 

表单事件onsubmit与onreset