JavaScript DHTML/jQuery/UL LI — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Версия 10:02, 26 мая 2010
Содержание
- 1 Add class to next li
- 2 Add class to previous li
- 3 Add style to li under a UL with certain id
- 4 All from next li
- 5 All li under ul but not a class name
- 6 All previous from a LI tag
- 7 Click to select or unselect li item
- 8 Click to toggle highlight on the list item.
- 9 Finds the second li in each matched ul and notes it.
- 10 Get LI one by one
- 11 Get parent for LI
- 12 Select Li by class style name nested ul with id
- 13 To add a special style to list item that are being hovered over
Add class to next li
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
var tmpExample = {
ready : function() {
$("li#liID").next().addClass("mySiblings");
}
};
$(document).ready(tmpExample.ready);
</script>
<style type="text/css">
ul#uiID {
list-style: none;
margin: 0;
padding: 0;
}
ul#uiID li {
margin: 1px;
padding: 3px;
}
li.mySiblings {
background: #165b91;
color: white;
}
</style>
</head>
<body>
<ul id="uiID">
<li>Red</li>
<li>Blue</li>
<li>Green</li>
<li id="liID">Yellow</li>
<li>Orange</li>
<li>Purple</li>
</ul>
</body>
</html>
Add class to previous li
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
var tmpExample = {
ready : function() {
$("li#liID").prev().addClass("mySiblings");
}
};
$(document).ready(tmpExample.ready);
</script>
<style type="text/css">
ul#uiID {
list-style: none;
margin: 0;
padding: 0;
}
ul#uiID li {
margin: 1px;
padding: 3px;
}
li.mySiblings {
background: #165b91;
color: white;
}
</style>
</head>
<body>
<ul id="uiID">
<li>Red</li>
<li>Blue</li>
<li>Green</li>
<li id="liID">Yellow</li>
<li>Orange</li>
<li>Purple</li>
</ul>
</body>
</html>
Add style to li under a UL with certain id
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
var tmpExample = {
ready : function() {
$("ul#myStyle").find("li").addClass("tmpFound");
}
};
$(document).ready(tmpExample.ready);
</script>
<style type="text/css">
ul#myStyle {
list-style: none;
margin: 0;
padding: 0;
}
ul#myStyle li {
margin: 1px;
padding: 3px;
}
li.tmpFound {
background: red;
}
</style>
</head>
<body>
<body>
<ul id="myStyle">
<li><a href="http://www.wbex.ru">wbex</a></li>
<li><a href="http://www.apple.ru">Apple</a></li>
<li><a href="http://www.jquery.ru">jQuery</a></li>
</ul>
</body>
</html>
All from next li
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
var tmpExample = {
ready : function() {
$("li#liID").nextAll().addClass("mySiblings");
}
};
$(document).ready(tmpExample.ready);
</script>
<style type="text/css">
ul#uiID {
list-style: none;
margin: 0;
padding: 0;
}
ul#uiID li {
margin: 1px;
padding: 3px;
}
li.mySiblings {
background: #165b91;
color: white;
}
</style>
</head>
<body>
<ul id="uiID">
<li>Red</li>
<li>Blue</li>
<li>Green</li>
<li id="liID">Yellow</li>
<li>Orange</li>
<li>Purple</li>
</ul>
</body>
</html>
All li under ul but not a class name
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
var tmpExample = {
ready : function() {
$("ul#uiID li").not("li.liClass2").addClass("justAdd");
}
};
$(document).ready(tmpExample.ready);
</script>
<style type="text/css">
ul#uiID {
list-style: none;
margin: 0;
padding: 0;
}
ul#uiID li {
margin: 1px;
padding: 3px;
}
li.justAdd {
background: rgb(112, 122, 122);
}
</style>
</head>
<body id="tmpExample">
<ul id="uiID">
<li class="liClass1">A</li>
<li class="liClass1">B</li>
<li class="liClass1">C</li>
<li class="liClass1">D</li>
<li class="liClass2">E</li>
<li class="liClass2">F</li>
<li class="liClass2">G</li>
<li class="liClass2">H</li>
<li class="liClass3">I</li>
<li class="liClass3">J</li>
</ul>
</body>
</html>
All previous from a LI tag
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
var tmpExample = {
ready : function() {
$("li#liID").prevAll().addClass("mySiblings");
}
};
$(document).ready(tmpExample.ready);
</script>
<style type="text/css">
ul#uiID {
list-style: none;
margin: 0;
padding: 0;
}
ul#uiID li {
margin: 1px;
padding: 3px;
}
li.mySiblings {
background: #165b91;
color: white;
}
</style>
</head>
<body>
<ul id="uiID">
<li>Red</li>
<li>Blue</li>
<li>Green</li>
<li id="liID">Yellow</li>
<li>Orange</li>
<li>Purple</li>
</ul>
</body>
</html>
Click to select or unselect li item
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$.fn.extend({
Select: function() {
return $(this).addClass("mySelected");
},
Unselect: function() {
return $(this).removeClass("mySelected");
},
MyApplication: {
Ready: function() {
$("p").click(
function($e) {
$("li").Select();
}
);
$("li").click(
function() {
$(this).hasClass("mySelected")?$(this).Unselect() : $(this).Select();
}
);
}
}
});
$(document).ready(
function() {
$.fn.MyApplication.Ready();
}
);
</script>
<style type="text/css">
li.mySelected {
background: yellow;
}
</style>
</head>
<body>
<ul>
<li>A</li>
<li>B</li>
<li>C</li>
<li>D</li>
<li>E</li>
<li>F</li>
</ul>
<p>
Select All
</p>
</body>
</html>
Click to toggle highlight on the list item.
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("li").toggle(
function () {
$(this).css("list-style-type", "disc")
.css("color", "blue");
},
function () {
$(this).css({"list-style-type":"", "color":""});
}
);
});
</script>
</head>
<body>
<body>
<ul>
<li>A</li>
<li>B</li>
<li>C</li>
<li>D</li>
</ul>
</body>
</html>
Finds the second li in each matched ul and notes it.
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("ul li:nth-child(2)").append("<span> - 2nd!</span>");
});
</script>
</head>
<body>
<body>
<div>
<ul>
<li>A</li>
<li>B</li>
<li>C</li>
</ul>
</div>
<div>
<ul>
<li>D</li>
<li>E</li>
<li>F</li>
<li>G</li>
</ul>
</div>
<div>
<ul>
<li>H</li>
<li>I</li>
<li>J</li>
<li>K</li>
</ul>
</div>
</body>
</html>
Get LI one by one
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
var mappedItems = $("li").map(function (index) {
var replacement = $("<li>").text($(this).text()).get(0);
$(replacement).text($(replacement).text().toUpperCase());
return replacement;
});
$("#results").append(mappedItems);
});
</script>
</head>
<body>
<body>
<ul>
<li>asdf</li>
<li>asdf</li>
<li>asdf</li>
</ul>
<ul id="results">
</ul>
</body>
</html>
Get parent for LI
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
var myDemo = {
ready : function() {
$("li.liClassName3").parents("div#uiIDWrapper").addClass("tmpParent");
}
};
$(document).ready(myDemo.ready);
</script>
<style type="text/css">
ul#uiID {
list-style: none;
margin: 0;
padding: 0;
}
ul#uiID li {
margin: 1px;
padding: 3px;
}
div#uiIDWrapper {
padding: 5px;
border: 1px solid rgb(200, 200, 200);
background: rgb(240, 240, 240);
}
body#myDemo div.tmpParent {
background: rgb(174, 211, 248);
}
</style>
</head>
<body id="myDemo">
<div id="uiIDWrapper">
<ul id="uiID">
<li>A</li>
<li class="liClassName">B</li>
<li class="liClassName">C</li>
<li>D</li>
<li class="liClassName2">E</li>
<li>F</li>
<li class="liClassName3">G</li>
</ul>
</div>
</body>
</html>
Select Li by class style name nested ul with id
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
var tmpExample = {
ready : function() {
$("ul#tmpPlaces li.myStyle").siblings().addClass("tmpSiblings");
}
};
$(document).ready(tmpExample.ready);
</script>
<style type="text/css">
body {
font: 16px sans-serif;
}
h4 {
font-size: 16px;
margin: 0 0 5px 0;
}
ul#tmpPlaces {
list-style: none;
margin: 0;
padding: 0;
}
ul#tmpPlaces li {
margin: 1px;
padding: 3px;
}
li.tmpSiblings{
background: khaki;
}
</style>
</head>
<body>
<ul id="tmpPlaces">
<li>a</li>
<li>b</li>
<li>c</li>
<li>d</li>
<li>e</li>
<li>f</li>
<li class="myStyle">g</li>
</ul>
</body>
</html>
To add a special style to list item that are being hovered over
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("li").hover(
function () {
$(this).append($("<span>*</span>"));
},
function () {
$(this).find("span:last").remove();
}
);
});
</script>
</head>
<body>
<body>
<ul>
<li>A</li>
<li>B</li>
<li>C</li>
<li>D</li>
</ul>
</body>
</html>