样式:$(function (){
$("要选择的标签").click(function (){alert ("弹出对话框内容");})
});
第一种:Id选择器
用法:- <head>
- <title></title>
- <script src ="Jq/jquery-1.4.2.js" type ="text/javascript" ></script>
- <script type ="text/javascript">
- $(function (){
- $("p").click(function (){alert ("小P");})
- });
- </script>
- </head>
- <body>
- <input type="button" value ="PlayGame" id="btnClick" />
- <p>第一个</p>
- <p>第二个</p>
- </body>
复制代码
说明:对所有<P>标签点击都有弹出对话框的提示
第二种:CSS选择器- <head>
- <title></title>
- <script src ="Jq/jquery-1.4.2.js" type ="text/javascript" ></script>
- <script type ="text/javascript">
- $(function (){
- $(".warning").click(function (){alert("这是警告信息");});
- });
- </script>
- <style type="text/css" >
- .warning{background-color :Yellow ;color :Red ;}
- </style>
- </head>
- <body>
- <p>没有警告</p>
- <div class ="warning " >请带好小孩</div>
- <p class ="warning ">再次警告你</p>
- <input class ="warning " type ="button" value ="别点啊" />
- </body>
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说明:对所有CSS样式为:.warning点击都有弹出对话框的提示
第三种:多条件选择器- <head>
- <title></title>
- <script src ="Jq/jquery-1.4.2.js"></script>
- <script type ="text/javascript" >
- $(function (){
- $(".docc,p,#txt1").click(function (){alert ("不要上当啊");})
- })
- </script>
- <style type="text/css" >
- .docc{background-color :Fuchsia ;color :Olive ;}
- </style>
- </head>
- <body>
- <p>电脑热卖</p>
- <input type ="text" id="txt1" />
- <input class ="docc" type ="button" value ="上当" />
- <input type ="checkbox" />
- </body>
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说明:可以对多个同时选中做处理。 |