JavaScript DHTML/jQuery/offset — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
| |
Текущая версия на 07:23, 26 мая 2010
Содержание
Get offset
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
var b = $("b:last");
var offset = b.offset();
alert(offset.left);
alert(offset.top);
});
</script>
</head>
<body>
<body>
<b>Hello asdf asdf</b>
</body>
</html>
Get top
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
var b = $("b:last");
var offset = b.offset();
alert(offset.left);
alert(offset.top);
});
</script>
</head>
<body>
<body>
<b>Hello asdf asdf</b>
</body>
</html>
offset(): returned object contains two Integer properties, top and left. (works only with visible elements)
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
var p = $("p:last");
var offset = p.offset();
p.html( "left: " + offset.left + ", top: " + offset.top );
});
</script>
</head>
<body>
<body>
<p>Hello</p><p>2nd Paragraph</p>
</body>
</html>
Output tag and coordinates
<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) {
var offset = $(this).offset();
e.stopPropagation();
alert(this.tagName + " coords ( " + offset.left + ", " +
offset.top + " )");
});
});
</script>
</head>
<body>
<body>
<b>Hello asdf asdf</b>
</body>
</html>