How to send JavaScript variables to Java applet - Stack Overflow

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I have a JavaScript function which is:

function printreceipt(tax,subtotal,total)
{
subtotalElem=document.getElementById("total");
var taxElem=document.getElementById("tax");
productElem=document.getElementById("product-name");
alert("here are my products" + taxElem.innerHTML + subtotalElem.innerHTML);
}

How to send JavaScript variables to Java applet?

I have a JavaScript function which is:

function printreceipt(tax,subtotal,total)
{
subtotalElem=document.getElementById("total");
var taxElem=document.getElementById("tax");
productElem=document.getElementById("product-name");
alert("here are my products" + taxElem.innerHTML + subtotalElem.innerHTML);
}

How to send JavaScript variables to Java applet?

• java
• javascript
• applet

Share Improve this question Follow edited Apr 12, 2012 at 12:04 Andrew Thompson 169k4141 gold badges222222 silver badges436436 bronze badges asked Apr 12, 2012 at 11:41 Rose WanguiRose Wangui 2111 silver badge33 bronze badges

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3 Answers 3

Sorted by: Reset to default 5

Your applet should have a public method , for example receiveData() :

public void receiveData(String dataFromJS)
{
   //Do what you need with your data
}

Let's say you have something like that in your web page :

<applet id ="appletID" name="myApplet" ... ></applet>

In your javascript you just have to call the applet public method like this :

var myApp = document.applets['myApplet'];
myApp.receiveData(taxElem.innerHTML + subtotalElem.innerHTML);

The previous example will send the taxElem and subtotalElem content to the applet.

To send data from Applet to JS you sould use JSObject in your applet

You can use netscape.javascript.JSObject for Java-to-JS direction or reference the applet by its id for JS-to-Java.

See here for detailed example : http://rostislav-matl.blogspot./2011/10/java-applets-building-with-maven.html

The most reliable way to do this is to open a new page with the parameters encoded in the URL, then write those parameters as into an applet element as param elements. (Though +1 to each of the other answers.)

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