JSPatch
JSPatch bridge Objective-C and Javascript using Objective-C runtime
...JSPatch bridges Objective-C and JavaScript using the Objective-C runtime. You can call any Objective-C class and method in JavaScript by just including a small engine. Easy script loading via JavaScriptCore framework integration. That makes the APP obtaining the power of script language: add modules or replacing Objective-C code to fix bugs dynamically. There are some extensions provide support for custom struct type, C methods and other functional, call +addExtensions.