1

当我单步执行时，js 验证工作完美，但以“正常速度”失败。 具体来说：如果捕获到重复电子邮件但其他字段填写正确，则可以提交表单（但单步执行代码时不会出现错误）。有没有人见过这个？我知道我可以用不同的方式对其进行编码，但我不能简单地摆脱这个甚至成为瓶颈的简单问题，而无需首先了解为什么这不起作用。

我的方法是验证 onblur 和 onsubmit。我使用 jquery 选择器只是为了方便，然后再次用于 ajax 调用，否则我使用的是 js。我正在遍历这些字段，但只对文本和密码字段进行操作。检查空格 检查名称中是否没有数字 检查电子邮件地址的格式是否正确，然后在电子邮件字段中检查唯一的电子邮件，下面的 js 注释代码和下面的表格：

//registration validation
$('.validate').blur(function() {
var theForm = document.registerNewUserForm;         
//removes error messages from html before the run
clearAllErrors(theForm);
var msg = "";
var mdiv;
theForm.submit.disabled=true;
document.getElementById("submitButton").disabled = true;

for (var i = 0; i < theForm.elements.length; i++) {

    //mdiv is set to form element being evaluated at the time
    mdiv = document.getElementById(theForm.elements[i].name + "Message");

    msg = validateField(theForm.elements[i]);
    if(msg != "") {
        mdiv.innerHTML = msg;
        break;
    }
}
if(msg == "") {
    theForm.submit.disabled=false;
    document.getElementById("submitButton").disabled = false;
}
});


$('#registerNewUserForm').submit(function() {
var theForm = document.registerNewUserForm;
clearAllErrors(theForm);
var msg = "";
var mdiv;
for (var i = 0; i < theForm.elements.length; i++) {

    //mdiv is set to form element being evaluated at the time
    mdiv = document.getElementById(theForm.elements[i].name + "Message");

    msg = validateField(theForm.elements[i]);
    if(msg != "") {
        break;
    }
}
if (msg != ""){
    mdiv.innerHTML = msg;
    return false;       
}  else {
    theForm.submit();
}   
});

function validateField(theField) {
msg = "";   
//all fields are required
if (theField.type == "text" || theField.type == "password") {
    if (theField.value == "") {
        msg = "The " + theField.name + " field is required.";
    }
}

//name fields are non-numeric
if (theField.name == "fullName"){
    if (hasNumber(theField.value) == true){
        msg= "The Name field is non-numeric.";
    }
}

//email must be correctly formatted
if (theField.name == "email") {
    msg = emailCheck (theField.value);
    if (msg == "") {
        //email address must also be unique
        chkEmail();
        msg = document.getElementById('emailMessage').innerHTML;
    }
}   
return msg;
}

function chkEmail() {
emailAddr = document.getElementById("email").value;
$.ajax({
    url: '/chkEmail',
    type: 'POST',
    data: 'emailAddr=' + encodeURIComponent(emailAddr),
    dataType: "xml",
    context: document.body,
    success: function(data) {
        document.getElementById('emailMessage').innerHTML = $(data).find("message").text();
    }
});
}


<form name="registerNewUserForm" id="registerNewUserForm" action="/register" method="post">
    <br/>
    <div>Create an Account and join the fun!</div>
    <div><input class="validate" type="text" id="fullName" required placeholder="Full Name" name="fullName" value="" size="30"></div>
    <div id="fullNameMessage" class="error"></div>
    <div><input class="validate" type="text" id="email" required placeholder="Email Address" name="email" value="" size="30"></div>
    <div id="emailMessage" class="error"></div>
    <div><input class="validate" type="password" id="passWord" required placeholder="Password" name="passWord" value="" size="30"></div>
    <div id="passWordMessage" class="error"></div>
    <div style="position:relative;left:173px;"><input id="submitButton" type="submit" value="Signup for PastelPlanet"></div>
    <input type="hidden" name="formName" value="registerNewUserForm">
    <input type="hidden" name="urlDestination" value="">
</form>
4

1 回答 1

2

您的“chkEmail”函数涉及对服务器的调用，它是异步的。当函数返回时，当您以“全速”运行时，对服务器的调用将不会完成。

于 2012-06-26T13:28:36.550 回答