Question

I need to pass a Java variable to a JavaScript function and I need to store that Java variable in JavaScript. What should I do?

Consider this Java code:

NodeList list = rootElement_plutus.getElementsByTagName("StatusMessage");
if (list != null && list.getLength() > 0) 
{
    NodeList subList = list.item(0).getChildNodes();
    if (subList != null && subList.getLength() > 0) 
    {
         STATUS_Plutus = subList.item(0).getNodeValue();
         System.out.println("output:  "+STATUS_Plutus);
     "Here i need to pass variable  'STATUS_Plutus' to javascript function"  
     }
}

I am not using any servlets here. its just a normal fn.

Can u please give exact line so that I can paste it over there…

Javascript function is on the another page…

Answer 1

I am not exactly sure what you are trying to do, but you could try something like this (since you are alluding to passing DIRECTLY from Java to Javascript) … (only applies to JDK1.6+) …

ScriptEngineManager mgr = new ScriptEngineManager();
ScriptEngine engine = mgr.getEngineByName("JavaScript");
String javascript = "3+2*(4+5)";
System.out.println(engine.eval(javascript));

p.s. Make sure you have previously imported these..

import javax.script.ScriptEngineManager;
import javax.script.ScriptEngine;