https://www.cnblogs.com/alvinwei1024/p/4739344.html
First capture from document -> target
Then bubble up from target -> document
Register bubbling and capture listeners on the same element element, whoever registers first will execute first
https://www.cnblogs.com/alvinwei1024/p/4739344.html
First capture from document -> target
Then bubble up from target -> document
Register bubbling and capture listeners on the same element element, whoever registers first will execute first