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I have an JSP file, which is called from a button of a form in a HTML file. In this JSP I get the option selected in a drop-downlist of the form, which is saved into the variable "topic".

In this JSP file I have another button that have to call the Javascript function crearframe(). The parameter have to be the value saved in the variable "topic". How can I do that?

I need to open a different html file when the user press the button depending of the value of the variable "topic". The name of the html file will be "topicValue" + ".html".

Is there any way of doing this?

Thank you very much.

Here is the code.

<script language="javascript">  
function crearframe(htmlFilePath) {
var testframe = document.getElementById("iframe");
testframe.src = htmlFilePath + ".html"; 
}
</script>
</head>

<body>
<table width="100%">
<tr>
<td align="center" valign="top">

<% 
String topic = request.getParameter("opcion");
out.println("<H2>Resultado del análisis sobre " + topic + "</H2>");
%>

<div id="grafica"></div>
<table width="80%">
<tr>
     <td align="center" width="25%">
         <button type="button" name="Analizar1" class="btn btn-primary"  Onclick="crearframe('HaveToBeTheTopicVariable')" >Ver;</button>
Braj
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user3650070
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1 Answers1

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Do in this way using Scriptlets

Onclick="crearframe('<%= topic %>')"

I never suggest you to use Scriptlets instead use JSP Standard Tag Library.

Have a look at How to avoid Java Code in JSP-Files?

Community
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Braj
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