How to pass a String variable to javascript onClick Function in a JSP

Question

In my jsp, I have something like this

<%
String isMultipleOfficesExists = (String)request.getAttribute("MultipleOfficesExists");
        String isMultipleOfficeSecurity = (String)request.getAttribute("MultipleOfficeSecurityExists");
String envParm = "default";
if("true".equals(isMultipleOfficesExists)){
    envParm = "multipleOffice";
}else if("true".equals(isMultipleOfficeSecurity)){
    envParm = "multipleOfficeSecurity";
}
%>

At the bottom of my form, in my submit button, I am calling a JavaScript On-click function.

<input class="white_button_extra_large" type="button" value="<%=goBtn%>" onclick="javascript:selectEnvironment(envParm);">

And my script section is :

function selectEnvironment(envParm)
{
    resetToken();
    logoutFlag = false;
    document.forms[0].action = contextURL+'/login/selectEnvironment?envParam=' +envParm;
    document.forms[0].submit();
}

But I am getting Uncaught ReferenceError: envParam is not defined

How can I solve this?

Muthu vignesh k · Accepted Answer · 2017-06-07 10:59:29Z

1

Make your envParm variable global in JSP. And your on click event should be like follows

<input class="white_button_extra_large" type="button" value="<%=goBtn%>" onclick="javascript:selectEnvironment('<%=envParm%>')">

You should pass the value from javascript function. The parameter should have value. Refer this linkPassing arguments

answered Jun 7, 2017 at 10:59

Muthu vignesh k

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