<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="../../scripts/jquery-1.3.1.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
var $body = $("body").children();
var $p = $("p").children();
var $ul = $("ul").children();
alert( $body.length ); // <body>元素下有2個子元素
alert( $p.length ); // <p>元素下有0個子元素
alert( $ul.length ); // <p>元素下有3個子元素
for(var i=0;i< $ul.length;i++){
alert( $ul[i].innerHTML );
}
});
</script>
</head>
<body>
<p title="選擇你最喜歡的水果." >你最喜歡的水果是?</p>
<ul>
<li title='蘋果'>蘋果</li>
<li title='橘子'>橘子</li>
<li title='菠蘿'>菠蘿</li>
</ul>
</body>
</html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="../../scripts/jquery-1.3.1.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
var $p1 = $("p").next();
alert( $p1.html() ); // 緊鄰<p>元素后的同輩元素
var $ul = $("ul").prev();
alert( $ul.html() ); // 緊鄰<ul>元素前的同輩元素
var $p2 = $("p").siblings();
alert( $p2.html() ); // 緊鄰<p>元素的唯一同輩元素
});
</script>
</head>
<body>
<p title="選擇你最喜歡的水果." >你最喜歡的水果是?</p>
<ul>
<li title='蘋果'>蘋果</li>
<li title='橘子'>橘子</li>
<li title='菠蘿'>菠蘿</li>
</ul>
</body>
</html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="../../scripts/jquery-1.3.1.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
$(document).bind("click", function (e) {
$(e.target).closest("li").css("color","red");
})
});
</script>
</head>
<body>
<p title="選擇你最喜歡的水果." >你最喜歡的水果是?</p>
<ul>
<li title='蘋果'>蘋果</li>
<li title='橘子'>橘子</li>
<li title='菠蘿'>菠蘿</li>
</ul>
</body>
</html>