我正在尝试使div保持可见的形式，同时模糊周围的区域像一个模态。
这个想法在Facebook中被用来关注状态框，模糊框周围的其他区域
StackOverflow 不是编码服务。然而，这很有趣，所以我想我应该玩一点。传统上，你应该自己尝试，然后问你是否有问题，展示你的工作。在大多数情况下，如果你不能表现出你至少在尝试自己解决问题，你就不应该指望别人为你写代码。
所有正在写的.....
您可以使用clone()复制所需的焦点区域，然后将其覆盖在原始容器的其余部分上。然后模糊容器。这样，clone()就不会被模糊改变。
$('div').on('click', function() {
var theDiv = $(this).attr('id'); //the ID of the div to focus
var theText = $(this).text();
var position = $(this).position(); //gets current position of focus div
if ($('.popped').is(':visible')) {
$('.popped').fadeOut(500); //remove clone if it's visible
} else {
$(this).clone().addClass('popped') //clone the target
.appendTo("body").css({ //move clone into position
left: position.left,
top: position.top
})
.text(theText + ' :: left: ' + position.left + ', Top: ' + position.top);
}
$('#wrap').toggleClass('blurred'); //blur the main container
});body { background: #ddd; }
#wrap {
position: relative;
margin: 10px;
text-align: center;
width: 500px;
transition: all .4s;
}
div {
position: relative;
margin: 5px auto;
background: #fff;
text-align: center;
padding: 5px 10px;
border: 1px solid #aaa;
text-transform: uppercase;
font-weight: bolder;
width: 100%;
}
.popped {
position: absolute;
z-index: 5000;
width: 500px; /* same width ans main container (or original div) */
margin: 15px 18px; /* compensates for blur -- blur distance times 2 */
}
.blurred {
filter: blur(5px);
-webkit-filter: blur(5px);
-moz-filter: blur(5px);
opacity: 0.5;
transition: all .4s;
}
h3 { text-align: center; font-weight: normal; text-transform: uppercase; font-size: 0.7em; }<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<section id="wrap" class="">
<div id="one">First div</div>
<div id="two">This is number 2</div>
<div id="three">A third Div</div>
<div id="four">4th and final</div>
<h3>Click a row to focus on it</h3>
</section>这将读取被单击的div的ID，并将克隆该div并将克隆放置在视口中的类似位置。您可以很容易地将其更改为按钮单击或其他事件。
显然需要针对每种情况进行一些调整，但总的来说这种方法是可行的。
使用jQuery dialog()，就像以下代码取自jQueryUI网站，您可以在这里找到:
$(function() {
var dialog, form,
// From http://www.whatwg.org/specs/web-apps/current-work/multipage/states-of-the-type-attribute.html#e-mail-state-%28type=email%29
emailRegex = /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/,
name = $("#name"),
email = $("#email"),
password = $("#password"),
allFields = $([]).add(name).add(email).add(password),
tips = $(".validateTips");
function updateTips(t) {
tips
.text(t)
.addClass("ui-state-highlight");
setTimeout(function() {
tips.removeClass("ui-state-highlight", 1500);
}, 500);
}
function checkLength(o, n, min, max) {
if (o.val().length > max || o.val().length < min) {
o.addClass("ui-state-error");
updateTips("Length of " + n + " must be between " +
min + " and " + max + ".");
return false;
} else {
return true;
}
}
function checkRegexp(o, regexp, n) {
if (!(regexp.test(o.val()))) {
o.addClass("ui-state-error");
updateTips(n);
return false;
} else {
return true;
}
}
function addUser() {
var valid = true;
allFields.removeClass("ui-state-error");
valid = valid && checkLength(name, "username", 3, 16);
valid = valid && checkLength(email, "email", 6, 80);
valid = valid && checkLength(password, "password", 5, 16);
valid = valid && checkRegexp(name, /^[a-z]([0-9a-z_s])+$/i, "Username may consist of a-z, 0-9, underscores, spaces and must begin with a letter.");
valid = valid && checkRegexp(email, emailRegex, "eg. ui@jquery.com");
valid = valid && checkRegexp(password, /^([0-9a-zA-Z])+$/, "Password field only allow : a-z 0-9");
if (valid) {
$("#users tbody").append("<tr>" +
"<td>" + name.val() + "</td>" +
"<td>" + email.val() + "</td>" +
"<td>" + password.val() + "</td>" +
"</tr>");
dialog.dialog("close");
}
return valid;
}
dialog = $("#dialog-form").dialog({
autoOpen: false,
height: 400,
width: 350,
modal: true,
buttons: {
"Create an account": addUser,
Cancel: function() {
dialog.dialog("close");
}
},
close: function() {
form[0].reset();
allFields.removeClass("ui-state-error");
}
});
form = dialog.find("form").on("submit", function(event) {
event.preventDefault();
addUser();
});
$("#create-user").button().on("click", function() {
dialog.dialog("open");
});
});body {
font-family: Arial, Helvetica, sans-serif;
}
table {
font-size: 1em;
}
.ui-draggable,
.ui-droppable {
background-position: top;
}
label,
input {
display: block;
}
input.text {
margin-bottom: 12px;
width: 95%;
padding: .4em;
}
fieldset {
padding: 0;
border: 0;
margin-top: 25px;
}
h1 {
font-size: 1.2em;
margin: .6em 0;
}
div#users-contain {
width: 350px;
margin: 20px 0;
}
div#users-contain table {
margin: 1em 0;
border-collapse: collapse;
width: 100%;
}
div#users-contain table td,
div#users-contain table th {
border: 1px solid #eee;
padding: .6em 10px;
text-align: left;
}
.ui-dialog .ui-state-error {
padding: .3em;
}
.validateTips {
border: 1px solid transparent;
padding: 0.3em;
}<link href="//code.jquery.com/ui/1.12.0/themes/base/jquery-ui.css" rel="stylesheet" />
<script src="//code.jquery.com/jquery-1.12.4.js"></script>
<script src="//code.jquery.com/ui/1.12.0/jquery-ui.js"></script>
<div id="dialog-form" title="Create new user">
<p class="validateTips">All form fields are required.</p>
<form>
<fieldset>
<label for="name">Name</label>
<input type="text" name="name" id="name" value="Jane Smith" class="text ui-widget-content ui-corner-all">
<label for="email">Email</label>
<input type="text" name="email" id="email" value="jane@smith.com" class="text ui-widget-content ui-corner-all">
<label for="password">Password</label>
<input type="password" name="password" id="password" value="xxxxxxx" class="text ui-widget-content ui-corner-all">
<!-- Allow form submission with keyboard without duplicating the dialog button -->
<input type="submit" tabindex="-1" style="position:absolute; top:-1000px">
</fieldset>
</form>
</div>
<div id="users-contain" class="ui-widget">
<h1>Existing Users:</h1>
<table id="users" class="ui-widget ui-widget-content">
<thead>
<tr class="ui-widget-header ">
<th>Name</th>
<th>Email</th>
<th>Password</th>
</tr>
</thead>
<tbody>
<tr>
<td>John Doe</td>
<td>john.doe@example.com</td>
<td>johndoe1</td>
</tr>
</tbody>
</table>
</div>
<button id="create-user">Create new user</button>