在网上找到的jquery实例,运行后浏览器提示错误
html代码如下<!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>
<title>hello</title>
<script type="text/javascript" src="./jquery.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(); }); <!--提示这里错误:对象不支持此属性或方法-->
("#btnHide").bind("click", function(event) { ("#divMsg").hide(); });
("#btnChange").bind("click", function(event) { ("#divMsg").html("Hello World, too!"); });
</script>
</body>
</html>
html代码如下<!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>
<title>hello</title>
<script type="text/javascript" src="./jquery.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(); }); <!--提示这里错误:对象不支持此属性或方法-->
("#btnHide").bind("click", function(event) { ("#divMsg").hide(); });
("#btnChange").bind("click", function(event) { ("#divMsg").html("Hello World, too!"); });
</script>
</body>
</html>
<!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>hello</title>
<style>
</style>
<script src="jquery-1.3.2.js"></script>
<SCRIPT LANGUAGE="JavaScript">
$(document).ready(function(){//有事件的话必须在$(document).ready({})
$("#btnShow").bind("click", function(event) { $("#divMsg").show(); }); //用了jquery一点要用$
$("#btnHide").bind("click", function(event) { $("#divMsg").hide(); });
$("#btnChange").bind("click", function(event) { $("#divMsg").html("Hello World, too!"); });
});
</SCRIPT>
</head><body onload="move()">
<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!" />
</body>
</html>
jquery绝大部分操作都是以 $('selector') 开始的。
jquery 去 对象 $() //
or
JQuery("#divMsg")