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New Message on MumbaiUserGroup
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From: Rohit_BD
Message 2 in Discussion
Hi, Client-side JavaScript variables can ONLY be accessed in the browser (or HTML)
side. All the scoping rules apply as usual. Once the page has been posted (or URL
changed or refreshed), these variables are lost, and reinitialised (only for refresh).
If you want to access any variable via javascript, make sure that it is declared
before accessing it, and that it is called while the variable is still in scope. For
example, a variable declared inside an if {} block will not be available outside that
block. The interaction between the scripts and the page is as below (<--> indicates
which type of script can access what): JavaScript variables <--> Client-side code
<--> HTML input fields <- (via request object) -> Server-side code. This is a short
descritption of how ASP, of ASPX or any CGI works: Browser requests page -> Web
server invokes server-side engine -> Server-side code executes -> Resulting HTML is
sent to Web server which in turn sends it to browser -> Browser gets HTML and renders
it, along with any client-side scripts -> Client-side scripts perform client-side
operations like validation or DHTML.
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