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JSP values into HTML hidden fields ? or javascript ?  RSS feed

 
frank davis
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Is it possible to either have values in your JSP put into a hidden field on the same JSP page?
Can JSP send values to javascript on the same page in any way?
 
Dan Richardson
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Here's an example that illustrates using the value of a variable defined in a JSP page as the value of a hidden field of an HTML form and passing the value of a variable defined in a jsp page to a javascript function:

After launching the above jsp page, if clicking on "open window" a new browser window that points to http://www.javaranch.com should open. If you view the source of the page, you should see that the value of the hidden variable of the html form is equal to "hidden".
NOTE: For some reason I couldn't get the post to submit when typing "onclick", so I spelled it "onclik".
 
frank davis
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Thanks!!!
All the examples I had in my JSP book said <=% %> tag would display output. If I had been thinking, I would have realized its just generating text like anything else on the web page and would be interpreted by the browser appropriately in each situation... :roll:
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