Aspect Oriented Programming(AOP) . Don't change javascript any code. All code write in native. Main idea:

1.rewrite the console.log method of javascript. 2.iOS native code injected the method when H5 starts to create the DOM tree.

pod 'SKJavaScriptBridge', '~> 1.0.3'

Newer Demo https://github.com/housenkui/JavascriptBridge