JavaScript Tutorial/jQuery/get
Содержание
Get first element in query set
<source lang="javascript">
<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 data = $("- asdf
- asdf
- asdf
</body>
</html></source>
Get tag first parent
<source lang="javascript">
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("*", document.body).each(function () {
var parentTag = $(this).parent().get(0).tagName;
alert(parentTag);
});
});
</script>
<style>
.y { background:yellow; }
</style>
</head>
<body>
<body>
<button disabled="disabled">First</button>
</body>
</html></source>
Gives the tag name of the element clicked on.
<source lang="javascript">
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("*", document.body).click(function (e) {
e.stopPropagation();
var domEl = $(this).get(0);
$("span:first").text("Clicked on - " + domEl.tagName);
});
});
</script>
</head>
<body>
<body>
A
B
</body>
</html></source>
Uses the built-in reverse-method to reverse array
<source lang="javascript">
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
alert( $("p").get().reverse() );
});
</script>
</head>
<body>
<body>
A
B
</body></html></source>
