The global namespace in JavaScript (i.e., the window object). It is not a real package, i.e., there is no package called _global_. Rather, it represents the global namespace of JavaScript. In other words, it is the namespace of the window object in a browser.

ZK 5 Client Engine is based on jQuery. It inherits all functionality provided by jQuery. Refer to jQuery documentation for complete reference. However, we use jq to represent jQuery, and we use the _global_.jq interface to represent the object returned by the jq function (such as jq('#id')).