<html>
<head>
<title>Hello World jQuery!</title>
<script type=
"text/javascript" src=
"scripts/jquery-1.3.2-vsdoc2.js"></script>
</head>
<body>
<div id=
"divMsg">Hello World!</div>
<input id=
"btnShow" type=
"button" value=
"显示" />
<input id=
"btnHide" type=
"button" value=
"隐藏" /><br />
<input id=
"btnChange" type=
"button" value=
"修改内容为 Hello World, too!" />
<script type=
"text/javascript" >
$(
"#btnShow").bind(
"click", function(
event) { $(
"#divMsg").show(); });
$(
"#btnHide").bind(
"click", function(
event) { $(
"#divMsg").hide(); });
$(
"#btnChange").bind(
"click", function(
event) { $(
"#divMsg").html(
"Hello World, too!"); });
</script>
</body>
</html>
页面上有三个按钮, 分别用来控制Hello World的显示,隐藏和修改其内容.
此示例使用了:
(1) jQuery的Id选择器: $("#btnShow")
(2) 事件绑定函数 bind()
(3) 显示和隐藏函数. show()和hide()
(4) 修改元素内部html的函数html()