Javascript中alert的方法

时间：2024-04-15 10:48:03

Javascript中alert</script>的方法：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
    String path = request.getContextPath();
    String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/";
%>
<!DOCTYPE html>
<html>
<head>
<base href="<%=basePath%>">
<meta charset="UTF-8">
<title>b index</title>
<link rel=\'stylesheet\' type="text/css" href=\'b/css/bootstrap.css\'>
<style type="text/css">
    .s1{
        width: 100px;
        height: 100px;
        background-color: pink;
    }
    .s2{
        width: 50px;
        height: 50px;
        background-color: green;
    }
</style>
</head>
<body style="margin:1px;">
    <div id="div001">div001</div>
    <div id=\'div002\'>div002</div>
    <div id=\'div003\'>div003</div>
    <div>
        <button id="btn001">click me to alert script </button>
        <button id="btn002">click me to alert script </button>
    </div>
    <script type="text/javascript" src="js/jquery-1.11.1.js"></script>
    <script type="text/javascript" src="b/js/bootstrap.js"></script>
    <script type="text/javascript" src="js/index042.js"></script>
    <script type="text/javascript">
        function btn001Click(e) {
            alert(\'<\/script>\');
            // 如果写成下面这样，这个页面会出错；Uncaught SyntaxError: Unexpected token ILLEGAL
            //alert(\'</script>\');//即便这样写，也是有错误的；除非增加一个空格< / ,或者像上面转义一下；
        }
    </script>
</body>
</html>
$(function() {
    $(\'#btn001\').click(btn001Click);
    $(\'#btn002\').click(btn002Click);
});
function btn002Click(e) {
    // 在js文件中，可以随意alert；
    alert(\'</script>2\');
}

 

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