Why would you use JavaScript II?
Then along came Microsoft and Netscape became distracted and quality of Java on the client side suffered and in fact is still problematical as Java in the browser has poor performance and lags Sun’s version
Further the Web Consortium W3C never really liked Java butting in and thought HTML was the answer
JavaScript is Java with HTML and browser as AWT
W3C came along with XML and the DOM (Document Object Model)
In particular dynamic HTML extensions allowed one to get many benefits of JavaScript dynamically without reloading ….
Now all this was screwed up in version 4 browsers -- especially by Netscape -- and so the vision was obscured!
At least Microsoft's version 5 browser implements vision well