使用jquery在表单字段中迭代(iterate in form fields using jquery)

 假设我有表格，它有很多表格字段。 我如何在所有表单字段中迭代并检查输入类型并收集值 
 
 我的表格字段是 
 
<form id="form1" runat="server">
<div>
    <fieldset>
        <ol>
            <li>
                <label class="left">
                    First Name
                </label>
                <input type="text" id="FirstName" runat="server" /></li>
            <li>
                <label class="left">
                    Last Name
                </label>
                <input type="text" id="LastName" runat="server" /></li>
            <li>
                <label class="left">
                    Email
                </label>
                <input type="text" id="Email" runat="server" /></li>
            <li>
                <label class="left">
                    Phone
                </label>
                <input type="text" id="Phone" runat="server" /></li>
            <li>
                <label class="left">
                    Contact Method
                </label>
                <span class="checkBoxGroup">
                    <input type="checkbox" id="ReqEmail" runat="server" /><label>Email</label>
                    <input type="checkbox" id="ReqMail" runat="server" /><label>Mail</label>
                    <input type="checkbox" id="ReqPhone" runat="server" /><label>Phone</label>
                    <input type="checkbox" id="ReqNoContact" runat="server" /><label>No Contact</label>
                </span></li>
            <li>
                <label class="left">
                    New Letter Type
                </label>
                <span class="myGroupRandom" >
                    <input type="checkbox" id="Checkbox1" runat="server" /><label>Company News</label>
                    <input type="checkbox" id="Checkbox2" runat="server" /><label>Press Releases</label>
                    <input type="checkbox" id="Checkbox3" runat="server" /><label>Deals</label>
                    <input type="checkbox" id="Checkbox4" runat="server" /><label>Employement</label>
                </span></li>
            <li>
                <input type="submit" id="Submit" value="Submit" /></li>
        </ol>
    </fieldset>
</div>
</form>
 
 请指导谢谢 

suppose i have form and it has many form fields. how can i iterate with in all form fields and check the input type and collect the value
 
my form fields are
 
<form id="form1" runat="server">
<div>
    <fieldset>
        <ol>
            <li>
                <label class="left">
                    First Name
                </label>
                <input type="text" id="FirstName" runat="server" /></li>
            <li>
                <label class="left">
                    Last Name
                </label>
                <input type="text" id="LastName" runat="server" /></li>
            <li>
                <label class="left">
                    Email
                </label>
                <input type="text" id="Email" runat="server" /></li>
            <li>
                <label class="left">
                    Phone
                </label>
                <input type="text" id="Phone" runat="server" /></li>
            <li>
                <label class="left">
                    Contact Method
                </label>
                <span class="checkBoxGroup">
                    <input type="checkbox" id="ReqEmail" runat="server" /><label>Email</label>
                    <input type="checkbox" id="ReqMail" runat="server" /><label>Mail</label>
                    <input type="checkbox" id="ReqPhone" runat="server" /><label>Phone</label>
                    <input type="checkbox" id="ReqNoContact" runat="server" /><label>No Contact</label>
                </span></li>
            <li>
                <label class="left">
                    New Letter Type
                </label>
                <span class="myGroupRandom" >
                    <input type="checkbox" id="Checkbox1" runat="server" /><label>Company News</label>
                    <input type="checkbox" id="Checkbox2" runat="server" /><label>Press Releases</label>
                    <input type="checkbox" id="Checkbox3" runat="server" /><label>Deals</label>
                    <input type="checkbox" id="Checkbox4" runat="server" /><label>Employement</label>
                </span></li>
            <li>
                <input type="submit" id="Submit" value="Submit" /></li>
        </ol>
    </fieldset>
</div>
</form>
 
please guide thanks

原文：https://stackoverflow.com/questions/7203691