Java & JEE books Page3
* Unicode support. The Unicode character set can be used for all known encoding, and you can use the Unicode escape sequence in string literals.
* New strict equality operators === and !==. The === (strict equal) operator returns true if the operands are equal and of the same type. The !== (strict not equal) operator returns true if the operands are not equal and/or not of the same type.
Tutorial If you are developing client-side re-usable scripting objects, sooner or later you will find yourself spotting out memory leaks. Chances are that your browser will suck memory like a sponge and you will hardly be able to find a reason why your lovely DHTML navigation's responsiveness decreases severely after visiting a couple of pages within your site.
In this article, we will review those patterns from a slightly different perspective and support it with diagrams and memory utilization graphs. We will also introduce several subtler leak scenarios. Before we begin, I strongly recommend you to read that article if you have not already read.