<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<script type="text/javascript" src="http://code.jquery.com/jquery-1.9.1.js"></script>
<style type="text/css">
/*body { margin:0; padding:0; }
ul,li { margin:0; padding:0; }
ul li { float:left; width:100px; }
ul { list-style:none; float:left; width:300px; }
#box { width:300px; overflow:hidden; position:relative; background:#f00; height:100px; }
#boxframe { width:600px; position:absolute; top:0; }*/
body { margin:0; padding:0; }
ul,li { margin:0; padding:0; }
ul li { float:left; width:100px; }
ul { list-style:none; float:left; width:300px; }
#box { width:300px; overflow:hidden; position:relative; background:#f00; height:100px; }
#boxframe { width:600px; position:absolute; top:0; }
</style>
<script type="text/javascript">
(function( $, undefined ) {
$.fn.extend({
scrolls: function() {
function scrollss() {
if(parseInt($('#boxframe').css('left')) == -300) {
$('#boxframe').css('left', 0)
}
$('#boxframe').animate({left: '-=100px'}, 500);
}
var timer;
$('ul').clone().appendTo('#boxframe');
timer = setInterval(scrollss, 2000);
$('#boxframe').hover(function() {
clearInterval(timer);
}, function() {
timer = setInterval(scrollss, 2000);
});
}
});
}(jQuery));
</script>
<script type="text/javascript">
$(function() {
$('#box').scrolls();
});
</script>
</head><body>
<div id="box">
<div id="boxframe">
<ul>
<li><a href="#" target="_blank"><img src="1.jpg" width="100" height="100" /></a></li>
<li><a href="#" target="_blank"><img src="2.gif" width="100" height="100" /></a></li>
<li><a href="#" target="_blank"><img src="3.gif" width="100" height="100" /></a></li>
</ul>
</div>
</div>
</body>
</html>代码中timer = setInterval(scrollss, 2000); 的setInterval的第一个参数写scrollss可以,写"scrollss()"为什么不行呢
可是
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>CSS等高布局</title>
<style type="text/css">
body { margin:0; padding:0; }
ul,li { margin:0; padding:0; }
ul li { float:left; width:100px; }
ul { list-style:none; float:left; width:300px; }
#box { width:300px; overflow:hidden; position:relative; background:#f00; height:100px; }
#boxframe { width:600px; position:absolute; top:0; }
</style>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script type="text/javascript">
function scrolls() {
if(parseInt($('#boxframe').css('left')) == -300) {
$('#boxframe').css('left', 0)
}
$('#boxframe').animate({left: '-=100px'}, 500);
}
var timer;
$(function() {
$('ul').clone().appendTo('#boxframe');
timer = setInterval('scrolls()', 2000);
$('#boxframe').hover(function() {
clearInterval(timer);
}, function() {
timer = setInterval('scrolls()', 2000);
});
});
alert(a);
</script>
</head>
<body>
<div id="box">
<div id="boxframe">
<ul>
<li><a href="#" target="_blank"><img src="1.jpg" width="100" height="100" /></a></li>
<li><a href="#" target="_blank"><img src="2.gif" width="100" height="100" /></a></li>
<li><a href="#" target="_blank"><img src="3.gif" width="100" height="100" /></a></li>
</ul>
</div>
</div>
</body>
</html> 中为什么可以写"scrolls()"呢
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<script type="text/javascript" src="http://code.jquery.com/jquery-1.9.1.js"></script>
<style type="text/css">
/*body { margin:0; padding:0; }
ul,li { margin:0; padding:0; }
ul li { float:left; width:100px; }
ul { list-style:none; float:left; width:300px; }
#box { width:300px; overflow:hidden; position:relative; background:#f00; height:100px; }
#boxframe { width:600px; position:absolute; top:0; }*/
body { margin:0; padding:0; }
ul,li { margin:0; padding:0; }
ul li { float:left; width:100px; }
ul { list-style:none; float:left; width:300px; }
#box { width:300px; overflow:hidden; position:relative; background:#f00; height:100px; }
#boxframe { width:600px; position:absolute; top:0; }
</style>
<script type="text/javascript">
(function( $, undefined ) {
$.fn.extend({
scrolls: function() {
function scrollss() {
if(parseInt($('#boxframe').css('left')) == -300) {
$('#boxframe').css('left', 0)
}
$('#boxframe').animate({left: '-=100px'}, 500);
}
var timer;
$('ul').clone().appendTo('#boxframe');
timer = setInterval(scrollss, 2000);
$('#boxframe').hover(function() {
clearInterval(timer);
}, function() {
timer = setInterval(scrollss, 2000);
});
}
});
}(jQuery));
</script>
<script type="text/javascript">
$(function() {
$('#box').scrolls();
});
</script>
</head><body>
<div id="box">
<div id="boxframe">
<ul>
<li><a href="#" target="_blank"><img src="1.jpg" width="100" height="100" /></a></li>
<li><a href="#" target="_blank"><img src="2.gif" width="100" height="100" /></a></li>
<li><a href="#" target="_blank"><img src="3.gif" width="100" height="100" /></a></li>
</ul>
</div>
</div>
</body>
</html>代码中timer = setInterval(scrollss, 2000); 的setInterval的第一个参数写scrollss可以,写"scrollss()"为什么不行呢
可是
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>CSS等高布局</title>
<style type="text/css">
body { margin:0; padding:0; }
ul,li { margin:0; padding:0; }
ul li { float:left; width:100px; }
ul { list-style:none; float:left; width:300px; }
#box { width:300px; overflow:hidden; position:relative; background:#f00; height:100px; }
#boxframe { width:600px; position:absolute; top:0; }
</style>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script type="text/javascript">
function scrolls() {
if(parseInt($('#boxframe').css('left')) == -300) {
$('#boxframe').css('left', 0)
}
$('#boxframe').animate({left: '-=100px'}, 500);
}
var timer;
$(function() {
$('ul').clone().appendTo('#boxframe');
timer = setInterval('scrolls()', 2000);
$('#boxframe').hover(function() {
clearInterval(timer);
}, function() {
timer = setInterval('scrolls()', 2000);
});
});
alert(a);
</script>
</head>
<body>
<div id="box">
<div id="boxframe">
<ul>
<li><a href="#" target="_blank"><img src="1.jpg" width="100" height="100" /></a></li>
<li><a href="#" target="_blank"><img src="2.gif" width="100" height="100" /></a></li>
<li><a href="#" target="_blank"><img src="3.gif" width="100" height="100" /></a></li>
</ul>
</div>
</div>
</body>
</html> 中为什么可以写"scrolls()"呢
setInterval(function(){
xxxx();
},3000)