Similarity to C and Java. If you are a C or Java programmer, the JScript syntax is going to be familiar to you. While this has a number of potential disadvantages, it does give you the ultimate flexibility in your scripts. This allows you to reap the benefits of object orientation without the statically defined nature of classes. A main reason why Perl has such a huge following.
Regular expressions add the ability to search for expressions in strings.
This is exceptionally useful on the server and, increasingly, on the client. Provides the ability to immediately evaluate code at runtime. This allows you to dynamically redefine logic dependent at run time. This is especially useful when used in conjunction with Remote Scripting, which works with VBScript as well. In the Microsoft Script Group, we are working hard to ensure that each language is functionally equivalent.