Javascript 为什么不是';我的即时验证没有显示任何东西吗?
我有一个表单,上面有许多字段。当用户输入任何内容时,该字段应自动开始发送有关输入是否有效的反馈。所列出的javascript代码被假定用于处理即时反馈,但它没有给出任何回复。如果用户的任何输入与正则表达式不匹配,它也会停止表单的提交。正则表达式也不工作,但在我使用innerHTML之前,它们工作得非常好。如果使用innerHTML不是强制性的,我会继续使用警报Javascript 为什么不是';我的即时验证没有显示任何东西吗?,javascript,html,validation,Javascript,Html,Validation,我有一个表单,上面有许多字段。当用户输入任何内容时,该字段应自动开始发送有关输入是否有效的反馈。所列出的javascript代码被假定用于处理即时反馈,但它没有给出任何回复。如果用户的任何输入与正则表达式不匹配,它也会停止表单的提交。正则表达式也不工作,但在我使用innerHTML之前,它们工作得非常好。如果使用innerHTML不是强制性的,我会继续使用警报 function insert() { var valid = true; document.getElementBy
function insert() {
var valid = true;
document.getElementById("MessNM").innerHTML = "";
if (!document.getElementById("name").value.match(/^^[A-Z]{1}[a-z]{3,7}$/)) {
document.getElementById("MessNM").innerHTML = " Please input a proper name.";
valid = false;
}
document.getElementById("MessPS").innerHTML = "";
if (!document.getElementById("password").value.match(/^[a-zA-Z0-9]{4,8}$/)) {
document.getElementById("MessPS").innerHTML = " Please input a proper password with numbers and letters.";
valid = false;
}
document.getElementById("MessPSC").innerHTML = "";
if (document.getElementById("passwordcheck").value != document.getElementById("password").value) {
document.getElementById("MessPSC").innerHTML = " Password does not match.";
valid = false;
}
document.getElementById("MessAD").innerHTML = "";
if (!document.getElementById("address").value.match(/^[a-zA-Z0-9\s,'-]{5,40}$/)) {
document.getElementById("MessAD").innerHTML = " Address is not valid";
valid = false;
}
document.getElementById("MessZC").innerHTML = "";
if (!document.getElementById("zipcode").value.match(/^[0-9]{5}$/)) {
document.getElementById("MessZC").innerHTML = " Please input a proper Zipcode.";
valid = false;
}
if (!document.getElementById("zipcode").value.match(/^[0-9]{5}(-[0-9]{4})?$/)) {
document.getElementById("MessZC").innerHTML = " Please input a proper Zipcode.";
valid = false;
} else {
return valid;
}
}
function test() {
var result = true;
if (!insert()) {
result = false;
}
return result;
}
这是javascript函数引用的html表单
<form name="Insert" id="I2" action="order.php" method="post" style="display: none;" onsubmit="return test()">
<p align="left">
<div id="texter">
<input type=text id="name" required="required" onkeyup="insert()" name="name" autocomplete="off" autofocus>Name <span id="MessNM"></span>
<br>
<input type=email id="email" required="required" onkeyup="insert()" name="email">Email Address <span id="MessEM"></span>
<br>
<input type=password id="password" required="required" onkeyup="insert()" name="password">Password <span id="MessPS"></span>
<br>
<input type=password id="passwordcheck" required="required" onkeyup="insert()" name="passwordcheck">Confirm Password <span id="MessPSC"></span>
<br>
<input type=text id="address" required="required" onkeyup="insert()" name="address">Address <span id="MessAD"></span>
<br>
<input type=text id="zipcode" required="required" onkeyup="insert()" name="zipcode">Zipcode <span id="MessZC"></span>
<br>
</div>
<input type="submit" value="submit" onclick="test()">
<input type="reset" value="Clear All">
<br>
<br>
</form>
名称
电子邮件地址
密码
确认密码
地址
Zipcode
我看到了几个问题
style=“display:none;”“
,这会使整个表单不可见<form name="Insert" id="I2" action="order.php" method="post" onsubmit="return test()">
<p align="left">
<div id="texter">
<input type=text id="name" required="required" onkeyup="insert()" name="name" autocomplete="off"/>Name <span id="MessNM"></span>
<br>
<input type="email" id="email" required="required" onkeyup="insert()" name="email">Email Address <span id="MessEM"></span>
<br>
<input type="password" id="password" required="required" onkeyup="insert()" name="password">Password <span id="MessPS"></span>
<br>
<input type="password" id="passwordcheck" required="required" onkeyup="insert()" name="passwordcheck">Confirm Password <span id="MessPSC"></span>
<br>
<input type="text" id="address" required="required" onkeyup="insert()" name="address">Address <span id="MessAD"></span>
<br>
<input type="text" id="zipcode" required="required" onkeyup="insert()" name="zipcode">Zipcode <span id="MessZC"></span>
<br>
</div>
<input type="submit" value="submit" onclick="test()">
<input type="reset" value="Clear All">
<br>
<br>
</form>
function insert() {
var valid = true;
document.getElementById("MessNM").innerHTML = "";
if (!document.getElementById("name").value.match(/^^[A-Z]{1}[a-z]{3,7}$/)) {
document.getElementById("MessNM").innerHTML = " Please input a proper name.";
valid = false;
}
document.getElementById("MessPS").innerHTML = "";
if (!document.getElementById("password").value.match(/^[a-zA-Z0-9]{4,8}$/)) {
document.getElementById("MessPS").innerHTML = " Please input a proper password with numbers and letters.";
valid = false;
}
document.getElementById("MessPSC").innerHTML = "";
if (document.getElementById("passwordcheck").value != document.getElementById("password").value) {
document.getElementById("MessPSC").innerHTML = " Password does not match.";
valid = false;
}
document.getElementById("MessAD").innerHTML = "";
if (!document.getElementById("address").value.match(/^[a-zA-Z0-9\s,'-]*$/)) {
document.getElementById("MessAD").innerHTML = " Address is not valid";
valid = false;
}
document.getElementById("MessZC").innerHTML = "";
if (!document.getElementById("zipcode").value.match(/^[0-9]{5}$/)) {
document.getElementById("MessZC").innerHTML = " Please input a proper Zipcode.";
valid = false;
}
if (!document.getElementById("zipcode").value.match(/^[0-9]{5}(-[0-9]{4})?$/)) {
document.getElementById("MessZC").innerHTML = " Please input a proper Zipcode.";
valid = false;
}
return valid;
}
名称
电子邮件地址
密码
确认密码
地址
Zipcode
函数插入(){
var valid=true;
document.getElementById(“MessNM”).innerHTML=“”;
if(!document.getElementById(“name”).value.match(/^[A-Z]{1}[A-Z]{3,7}$/){
document.getElementById(“MessNM”).innerHTML=“请输入正确的名称。”;
有效=错误;
}
document.getElementById(“MessPS”).innerHTML=“”;
如果(!document.getElementById(“password”).value.match(/^[a-zA-Z0-9]{4,8}$/){
document.getElementById(“MessPS”).innerHTML=“请输入带有数字和字母的正确密码。”;
有效=错误;
}
document.getElementById(“MessPSC”).innerHTML=“”;
if(document.getElementById(“密码检查”).value!=document.getElementById(“密码”).value){
document.getElementById(“MessPSC”).innerHTML=“密码不匹配。”;
有效=错误;
}
document.getElementById(“MessAD”).innerHTML=“”;
如果(!document.getElementById(“address”).value.match(/^[a-zA-Z0-9\s,'-]*$/){
document.getElementById(“MessAD”).innerHTML=“地址无效”;
有效=错误;
}
document.getElementById(“MessZC”).innerHTML=“”;
if(!document.getElementById(“zipcode”).value.match(/^[0-9]{5}$/){
document.getElementById(“MessZC”).innerHTML=“请输入正确的Zipcode。”;
有效=错误;
}
if(!document.getElementById(“zipcode”).value.match(/^[0-9]{5}(-0-9]{4})$/){
document.getElementById(“MessZC”).innerHTML=“请输入正确的Zipcode。”;
有效=错误;
}
返回有效;
}