Event：stopPropagation() 方法
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2015年7月.
Event 介面的 stopPropagation() 方法可阻止當前事件繼續進行捕捉（capturing）及冒泡（bubbling）階段的傳遞。