Pass Javascript Value to Java in JSP

Question

I would like to pass a Javascript value to a Java function in JSP. How can I do that? The id comes from a combobox in JSP via Javascript. I will get the ID from ComboBox and

Answer 1

You cannot make a server call directly. You need to make a server request.

javascript plays on client side and JSP plays on server side.

What you need is you have to make a server request. And send that string as a query parameter.

Two options to achieve this.

• HTML forms
• Ajax.

Do not confuse that JSP and java script existed on same document(or file). Yes but JSP part compiles on server side and JavaScript executes by browser.