The JavaScript supported by M-Business JavaScript engine provides you, the Web developer, with a quick and simple language to use for enhancing Web pages that is device-independent. A segment of JavaScript functionality is embedded as a small program within a Web page which is in turn interpreted and executed by the Web client.

Using compiled C code to create your own PODS, on the other hand, provides you with better performance, the capability to perform file operations, interaction with native programs, and increased programming flexibility. The trade-off is that you must compile your C code separately for each device OS that you support, and then set up platform-specific delivery of the correct binaries to each platform. For more information on setting up a single channel that can deliver the correct platform-specific files to different devices, see Using M-Business Client HTTP request headers to customize content.