HELP! * YELLOW=global GREY=local Global HTML version of Foils prepared 20 February 97

Foil 7 General Remarks on JavaScript - II

From Feb 10 Delivered Lecture for Course CPS616 -- Introduction to JavaScript CPS616 spring 1997 -- Feb 10 1997. by Geoffrey Fox * See also color IMAGE
Secs 466.5
JavaScript particularly useful for multi-frame windows and for manipulating forms without complex CGI (Server Side) scripts
Here it can be much faster as purely client side whereas a CGI based form has inevitable delays as requires server-client communication and invocation of a new process on server side.
  • Java shares this advantage
This client side processing speed can be essential in some applications as users would not accept long delays (several seconds) on "trivial" mouse clicks
Java is a broad industry standard with a careful well documented design
JavaScript comes from Netscape but is supported by Microsoft.
  • It has a poorly documented (and thought through ?) basic design


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