当我点击提交按钮时没有任何反应,我不确定是什么问题。该程序仅添加 2 个数字,输出应为警报消息。请帮忙
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>GlassFish JSP Page</title>
</head>
<body>
<%
int a = 6, b = 8, c;
c=a+b;
%>
<p>
Value 1 =
<%=a%></p>
<p>
Value 2 =
<%=b%></p>
<p>
Enter the value :<br /> <input type="text" id="c" /></br>
<input type="submit" value="Submit"
onclick="validate();" />
</p>
<script type="text/javascript">
function validate() {
var a = <%=a%>;
var b = <%=b%>;
var c = <%=c%>;
if (c!= parseInt(document.getElementById("c").value, 10))
alert("The values you entered is incorrect.");
} else {
alert("Correct!");
}
}
</script>
</body>
</html>