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How do I pass a Javascript variable to another JSP page?

Author

David Richardson

Updated on February 18, 2026

How do I pass a Javascript variable to another JSP page?

how to pass jsp value in using java script to another jsp
  1. function operation(){
  2. var frm = document.getElementById("frm");
  3. frm.action="second.jsp? n1="+<%=newname%>;
  4. }
  5. some jsp code.
  6. <form name="frm" method="post">
  7. <%=String newname=name[i]%>
  8. .

Keeping this in consideration, how do I pass a variable from one JSP to another?

Can be done in three ways:

  1. using request attributes: Set the value to send in request attribute with a name of your choice as request.setAttribute("send", "valueToSend") and retrieve it on another jsp using request.getAttribute("send");
  2. using session attributes.
  3. using application attributes.

One may also ask, how use javaScript variable in JSP code? Your javascript values are client-side, your scriptlet is running server-side. So if you want to use your javascript variables in a scriptlet, you will need to submit them. To achieve this, either store them in input fields and submit a form, or perform an ajax request. I suggest you look into JQuery for this.

Secondly, how do I transfer data from one JSP page to another?

Detail : The values which are to be sent from source jsp are set using setAttribute() method of request object which takes the name of attribute as first argument and the value of attribute as the second argument. The name of attribute can be any user defined string.

Can we use javaScript in JSP?

Yes, We can use javaScript with JSP page. As we know that javaScript is a Client-side script and JSP is a Server-side so we can attach a form validation to a JSP page to redirect HTML page and javaScript content.

How do I pass multiple parameters in GET request?

Any word after the question mark (?) in a URL is considered to be a parameter which can hold values. The value for the corresponding parameter is given after the symbol "equals" (=). Multiple parameters can be passed through the URL by separating them with multiple "&". Read more about passing parameter through URL.

What is JSP session?

JSP Session. This is the instance of javax. servlet. The session is used for Add, Remove attributes and also we can get session information of logged in user. #Setting Attributes in Session: With the help of setAttribute(String name, Object value) Method we can set our data in session.

How pass textbox value from one JSP to another page?

<%='+txtDate. value+' %> is not correct. Anything between <% and %> or <%= and %> is serverside ("java") coding and will be executed on the server. If you want value entered by the client, you need javascript to pass the parameters in the query string, and for this you need java script.

How can we use session in JSP page?

Session Implicit Object in JSP with examples
  1. setAttribute(String, object) – This method is used to save an object in session by assigning a unique string to the object.
  2. getAttribute(String name) – The object stored by setAttribute method is fetched from session using getAttribute method.

How can we use setAttribute request in JSP?

setAttribute() method is used to set an attribute to a servlet request in a web application. Attributes set by this method can be reset between requests. This method can be used in Servlet and/or in JSP.

How parameters can be accessed from HTML using JSP?

jsp using request object's getParameter method.

JSP handles form data processing by using following methods:

  • getParameter(): It is used to get the value of the form parameter.
  • getParameterValues(): It is used to return the multiple values of the parameters.
  • getParameterNames() It is used to get the names of parameters.

How JSP call from servlet explain with example?

Complete the following steps in your code to use this mechanism:
  1. Get a servlet context instance from the servlet instance:
  2. Get a request dispatcher from the servlet context instance, specifying the page-relative or application-relative path of the target JSP page as input to the getRequestDispatcher() method:

How pass data from controller view in Spring MVC?

Spring MVC exposes a utility class called ModelMap which implicitly extends a LinkedHashMap. In order to pass data from controller to JSP, all you have to do is add a ModelMap argument to your controller method and then populate it inside your method body using the generic addAttribute() method.

How do you add a Javascript variable in HTML?

To add the content of the javascript variable to the html use innerHTML() or create any html tag, add the content of that variable to that created tag and append that tag to the body or any other existing tags in the html.

How Pass value from class to Javascript in Java?

Because javascript is executed by your browser and java classes are executed by your server. So you need to use Ajax request to communicate with java classes. Since you're submitting a form, you can dynamically create a new input in that form containing the id you wish to send and then submit the form.

What is difference between JavaScript and JSP?

1. JSP is a Java-based technology used specifically in order to help software developers create dynamic web pages; JavaScript is based on Java, but was created in order to allow non-programmers the ability to work with it easily.

Can we use CSS in JSP?

Yes, We can use CSS inside a JSP file. as we know CSS has 3 types: Inline.

Can we use jQuery in JSP?

Firstly, always see a JSP page as a HTML page with added benefits of Java. Keeping jQuery in JSP page is as simple as keeping it in HTML page. Here's an Example for the same. As used in above code jQuery can be used in <script> tag, same as HTML Page.

Why JSP is used instead of HTML?

Performance is significantly better because JSP allows embedding Dynamic Elements in HTML Pages itself instead of having separate CGI files. JSP pages can be used in combination with servlets that handle the business logic, the model supported by Java servlet template engines.

HOW include CSS file in Spring MVC?

You can use this to access images, css, JavaScript files etc.
  1. Place static resources like css, js or images into webapp esources directory.
  2. Create mvc:resources mapping in spring configuration file.
  3. Use page context variable to get the resources. Alternatively you can use JSTL tag c:url or Spring tag spring:url tag.

What is the main difference between Servlet and JSP?

1) The first and foremost difference between Servlet and JSP is that a JSP is a web page scripting language that can generate dynamic content while Servlets are Java programs that are already compiled which also creates dynamic web content.

What is document getElementById?

The Document method getElementById() returns an Element object representing the element whose id property matches the specified string. Since element IDs are required to be unique if specified, they're a useful way to get access to a specific element quickly.

HOW include js file in JSP?

  1. the file index.js is in a folder calles js, placed inside the folder WebContent.
  2. place the index file in the same folder with the jsp and edit to <script type="text/javascript" src="index.js"></script> just to make sure that the path is not the problem. –

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