【发布时间】：2018-05-30 16:47:52
【问题描述】：
我有一个页面，其余内容中有一个表单。
问题是当我在移动设备上滚动表单时页面挂起/卡顿，尤其是 iOS。无论我将表单放在内容流中的哪个位置，都会发生这种情况。除了挂起之外，页面在垂直滑动时也不会“滑动”。
这是表单的 html...
<div id="authform">
<div class="sectionhead">
<h1 class="blue">Do You Qualify to Use the Device</h1>
</div>
<form action="https://purchase-authorization.net/" method="post">
<table border="0" cellspacing="0" cellpadding="0">
<tr>
<td style="float:right;text-align: right;font-size: 10px;">
<span class="req-symbol"> * </span> denotes required fields</td>
</tr>
<tr>
<td id="first_name" style="margin-right: 10px;">
<label for="first_name" id="first_name_label" class=""> First Name <span class='req-symbol'>
<strong> * </strong>
</span>
</label>
<input id="first_name" name="first_name" type="text" placeholder="" required />
</td>
<td id="last_name">
<label for="last_name" id="last_name_label" class=""> Last Name <span class='req-symbol'>
<strong> * </strong>
</span>
</label>
<input id="last_name" name="last_name" type="text" placeholder="" required />
</td>
</tr>
<tr>
<td id="email">
<label for="email" id="email_label" class=""> Email <span class='req-symbol'>
<strong> * </strong>
</span>
</label>
<input id="email" name="email" type="text" placeholder="" required />
</td>
</tr>
<tr>
<td class="full" id="implanted">
<label for="implanted" id="implanted_label" class=""> Do you have a medical device implanted in your head or neck? <span class='req-symbol'>
<strong> * </strong>
</span>
</label>
</td>
</tr>
<tr>
<td>
<label class="binary">
<input type="radio" name="implanted" value="Yes" />
<div class="tick">
</div>
<span>Yes</span>
</label>
</td>
<td>
<label class="binary">
<input type="radio" name="implanted" value="No" checked />
<div class="tick">
</div>
<span>No</span>
</label>
</td>
</tr>
<tr>
<td class="full" id="pacemaker">
<label for="pacemaker" id="pacemaker_label" class=""> Do you have a pacemaker? <span class='req-symbol'>
<strong> * </strong>
</span>
</label>
</td>
</tr>
<tr>
<td>
<label class="binary">
<input type="radio" name="pacemaker" value="Yes" />
<div class="tick">
</div>
<span>Yes</span>
</label>
</td>
<td>
<label class="binary">
<input type="radio" name="pacemaker" value="No" checked />
<div class="tick">
</div>
<span>No</span>
</label>
</td>
</tr>
<tr>
<td class="full" id="over_21">
<label for="over_21" id="over_21_label" class=""> Are you 21 years of age or older? <span class='req-symbol'>
<strong> * </strong>
</span>
</label>
</td>
</tr>
<tr>
<td>
<label class="binary">
<input type="radio" name="over_21" value="Yes" checked />
<div class="tick">
</div>
<span>Yes</span>
</label>
</td>
<td>
<label class="binary">
<input type="radio" name="over_21" value="No" />
<div class="tick">
</div>
<span>No</span>
</label>
</td>
</tr>
<tr>
<td class="full" id="updates">
<label for="updates" id="updates_label" class=""> May the manufacturer email you important device related updates? <span class='req-symbol'>
<strong> * </strong>
</span>
</label>
</td>
</tr>
<tr>
<td>
<label class="binary">
<input type="radio" name="updates" value="Yes" checked />
<div class="tick">
</div>
<span>Yes</span>
</label>
</td>
<td>
<label class="binary">
<input type="radio" name="updates" value="No" />
<div class="tick">
</div>
<span>No</span>
</label>
</td>
</tr>
<tr>
<td style="width: auto;">
<label>Confirm that you are not a bot <span class='req-symbol'>
<strong> * </strong>
</span>
</label>
</td>
</tr>
<tr>
<td class="full">
<input type="hidden" name="addauth">
<input type="submit" name="submit" id="submit" value="Submit">
</td>
</tr>
</table>
</form>
<br />
<br />
<br />
</div>
这里是 CSS...
div#authform {
background:#b6ebff;
}
div#authform #greenbar {
max-width: 760px;
margin: 0 auto;
padding: 50px 0 0 0;
color: #fff;
text-align: center;
height: 185px;
}
div#authform .site-title {
font-weight: 400;
font-size: 32px;
text-shadow: 0px 10px 20px rgba(0, 0, 0, 0.2);
margin-bottom: 10px !important;
}
div#authform .site-subhead {
font-weight: 100;
font-size: 25px;
text-shadow: 0px 10px 20px rgba(0, 0, 0, 0.2);
}
div#authform .below-header {
background: #f3f3f3;
padding: 40px;
text-align: center;
}
div#authform .site-content {
width: 900px;
margin-top: 0;
box-shadow: 0 0 15px 5px rgba(0, 1, 1, 0.1);
margin: 0 auto;
padding: 20px;
background: #fff;
word-wrap: break-word;
}
div#authform form {
font-size: 15px;
font-weight: normal;
max-width: 500px;
margin: 0 auto;
}
div#authform label {
margin: 10px 0 10px 0;
}
div#authform span.req-symbol {
color: #ff0000;
}
div#authform input {
/*margin: 10px 0 20px 0;
padding: 0.625em 0.4375em;*/
padding: 0 0.4375em;
font-size: 1rem;
}
div#authform input, label.binary {
background-image: none;
border: none;
height: 70px;
-webkit-appearance: none;
display: block;
background: #e9f9ff;
}
div#authform label.binary {
text-align: center;
}
div#authform label.binary span {
position: absolute;
top: 40px;
}
div#authform input[type="radio"] {
visibility: hidden;
}
div#authform input#first_name, div#authform input#last_name {
width: 235px;
}
div#authform input#email {
width: 100%;
}
div#authform input#first_name, div#authform input#last_name, div#authform input#email {
margin-top: 15px;
}
div#authform #ninja_forms_field_2_div_wrap {
width: 100%;
max-width: 488px;
}
div#authform td {
margin-bottom: 20px;
width: 50%;
display: inline-block;
position: relative;
overflow: hidden;
/*max-width: 250px;*/
}
div#authform td.full {
width: 100%;
display: block;
margin-top: 0px;
margin-bottom: 0px;
}
div#authform td#last_name {
float:right;
width:48%;
}
div#authform td#last_name input {
/*border-left: 10px solid #b6ebff;*/
}
div#authform td#email {
width: 100%;
max-width: 500px;
}
div#authform td:nth-of-type(2n) {
float: right;
}
div#authform label input + div {
position: absolute;
top: 30%;
left: 25%;
width: 35px;
height: 35px;
background-image: url(https://cdn.shopify.com/s/files/1/0315/7737/t/2/assets/tick-circle.png?10653060167534890121);
}
div#authform label input:checked + div {
position: absolute;
top: 30%;
left: 25%;
width: 35px;
height: 35px;
background-image: url(https://cdn.shopify.com/s/files/1/0315/7737/t/2/assets/tick_green.png?14586621079243987983);
}
div#authform #submit {
background: #39b54a;
border: 0;
border-radius: 20px;
color: #fff;
font-family: 'Open Sans', sans-serif;
font-weight: 700;
letter-spacing: 0.046875em;
line-height: 1;
padding: 0.84375em 0.875em 0.78125em;
text-transform: uppercase;
-webkit-appearance: button;
cursor: pointer;
width:100%;
height: 42px;
}
div#authform .below-header.pay {
padding: 40px 100px;
}
div#authform div#pa_button {
cursor: hand;
max-width: 500px;
width: 100%;
background-image: linear-gradient(#417194,#2c4c69);
border: 4px solid #ccc;
border-radius: 20px;
color: #fff;
text-align: center;
font-size: 24px;
line-height: 60px;
margin-bottom: 20px;
}
div#authform div#below_pa_button {
font-size: 12px;
max-width: 500px;
margin: 0 auto;
}
div#authform div#greenfooter {
height: 60px;
background: #54b761;
box-shadow: 0 0 15px 5px rgba(0, 1, 1, 0.1);
}
@media screen and (max-width: 600px) {
div#authform td#first_name, div#authform td#last_name {
width: 100% !important;
display: block;
float: left !important;
}
div#authform input#first_name, div#authform input#last_name {
width: 100% !important;
}
}
我尝试隐藏表单，直到使用 display:none 加载其他所有内容，直到 window.load。没有帮助。我什至缩小了 html 和 css 表单，但没有成功。
This 是您可以在页面底部附近看到问题的页面。
here 是一个独立的页面，可以很好地加载和滚动，具有基本相同的表单和 css。
感谢任何建议！
【问题讨论】：
标签： html ios forms user-interface mobile