JavaScript Tutorial/jQuery/width — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Текущая версия на 11:25, 26 мая 2010
Содержание
30. Get width
<source lang="javascript">
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("div").width(300);
alert($("div").width());
});
</script>
<style>
div{
width:200px;
height:100px;
overflow:auto;
}
h1 { width:1000px;height:1000px; }
</style>
</head>
<body>
<body>
header 1
</body>
</html></source>
30. Set width to
<source lang="javascript">
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("div").width(300);
});
</script>
<style>
div{
width:200px;
height:100px;
overflow:auto;
}
h1 { width:1000px;height:1000px; }
</style>
</head>
<body>
<body>
header 1
</body>
</html></source>
30. Set width with function
<source lang="javascript">
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("div").css("width",function() {
return $(this).width() + 20 + "px";
});
});
</script>
<style>
div { margin:3px; width:50px; position:absolute;
height:50px; left:10px; top:30px;
background-color:yellow; }
div.red { background-color:red; }
</style>
</head> <body> <body>
</body>
</html></source>
30. width(): find the width of div
<source lang="javascript">
$("div.myElements").width(500) is identical to $("div.myElements").css("width","500px") <html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
alert( $("div").width());
}); </script>
<style>
div { width:50px; height:70px; float:left; margin:5px;
background:rgb(255,140,0); cursor:pointer; }
</style>
</head> <body> <body>
</body>
</html></source>
30. width(val): If no explicit unit was specified (like "em" or "%") then "px" is concatenated to the value.
<source lang="javascript">
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("div").one("click", function () {
$(this).width(30)
.css({cursor:"auto", "background-color":"blue"});
});
}); </script>
<style>
div { width:50px; height:70px; float:left; margin:5px;
background:rgb(255,140,0); cursor:pointer; }
</style>
</head> <body> <body>
</body>
</html></source>
